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Entries in space (6)

Monday
01Feb2010

Our goal must be Exploration

It's no secret that I have been a space enthusiast/geek/dreamer since I was a teenager. At the age of 13 my boyhood dream was to be among the first to see the Red Planet with my own eyes. Since that time I've followed NASA's efforts, their triumphs and at times deep tragedies, I've always remained adamant that the ultimate goal of humanity should be to expand our civilization beyond our home and I believe Mars is the next logical choice.

February 1 marks seven years since the tragic events of the Columbia disaster. It also marks the day when what is now several long weeks of debate, anxious waiting and wondering about the details of President Obama's plans for the future of America's human space flight efforts have come to an end.  Despite being an avid space fan for most of my life I have found it hard to find a voice with regards to all the rumors of what the Obama plan may or may not do/fund/cut/etc. While struggling to find the words to consolidate my thoughts on the matter I thought it best to wait until the real announcement had been made. Today we have some answers and it seems, I must admit discouragingly, that they do not differ drastically from what has been leaking out over the last week or so.

I am puzzled by the manner in which this new plan was rolled out. Initially we had been told the NASA Administrator Charlie Bolden would hold a live press conference at NASA Headquarters.  Over the weekend that was hastily changed to a conference call for reporters. Well by now there are numerous summary stories outlining things but essentially it boils down to what we had been hearing, Constellation (NASA's replacement for the Shuttle) has been canceled (despite rumblings from Congress I have to think that today will probably represent the end for Constellation) and the focus of NASA will shift to: ISS expansion through 2020, championing efforts for commercial crew launch providers, earth sciences, robotic missions, and aeronautic projects. Additional work on things like propulsion technology, yet more study of human physiology in space, and work on a new heavy lift vehicle were skirted around in vagaries.

"A clear destination."

Like much of the human space flight community what all of this may ultimately mean is swirling around as an ocean of thoughts in my head. What keeps bubbling to the top as my biggest concern with this new plan is the lack of any real goal or clearly defined mission/destination.  Throughout the nineties and indeed after the Columbia disaster we were told that the big problem with NASA was that there was no clear mission no ultimate goal. The merits can be debated but for all that Constellation was or wasn't it was a clear destination. It was a line in the sand to work towards.

As best as I can tell the Obama plan offers no insight into the issue of what our end goal might be.  We're told that perhaps in time we will develop the technologies to take on and tackle bigger more ambitious missions. However I've not seen any indication of what that timeline might be and what ends for thes potentially newly developed means might be. What will drive that research if we have no guidance on what those missions will be? It is very hard not to feel like we've been here before and we are going to be once again confined to low-earth-orbit feeling around in the dark for some glimmer of light.

It isn't that I don't believe that efforts like earth sciences, and encouraging a commercial space industry aren't valid or even very important, they absolutely are. However what worries me with regards to these announcements and the usual dialogue around commercial space efforts is that there is a focus on things like tourism or LEO transport and very little talk of exploration

One of the primary definitions of exploration is "the investigation of unknown regions" I can't help but feel like after 50 years we should know low earth orbit reasonably well. Whatever happens, hardware and programs aside, it is my strongest deepest belief that we must continue to have a clear plan for reaching beyond LEO and to a destination that allows us to expand our civilization beyond this planet, push ourselves to the limits, and to live up to that human desire to truly be explorers.

"Too hard."

Another thing that really gets me going are suggestions that some how Mars is too hard, or beyond our reach with current understanding and technology. Witness the comments of NASA Administrator Charlie Bolden below speaking in Israel.

"We’ve got a lot of work to do before we can responsibly send humans to Mars. The biggest thing, the biggest challenge right now, there are two big challenges, one is propulsion and propulsion is a challenge because of the biggest challenge, which is radiation. We don’t completely understand the radiation environment between here and Mars but we know it’s bad. And we suspect, based on past experience and the limited data that we have, that if we put humans into a normal spacecraft now and have them embark on an 8-month one-way mission to Mars they’re going to die unless we spend a lot of money and a lot of metal on tremendous shielding for the vehicle. We know that.

“So, we cannot responsibly put humans in a spacecraft and say next year we’re going to send them to Mars. Can we conquer that? can we overcome that? Yes we can. I don’t know how long it is going to take.” (Source)

Who are we to say this is too hard? Quite literally when we committed to landing humans on the Moon we barely had a handle on how to launch to Earth ORBIT!  For all we knew the lunar lander would touch down and sink into the sandy surface of the Moon.  More over why not let the humans who will make the journey decide whether they are willing to accept the risk? I'd wager that if you put out the call you'd find a number far in excess of any crew compliment of people willing to go even on a one way journey. I don't think the problem is a lack of creative solutions to these problems or the ability to find them it is the lack of the will to do so in the aggressive tradition of Apollo. 

More than that though I think this kind of rhetoric is damaging to our culture and to one of NASA's newly prescribed missions, to encourage kids to pursue careers in engineering, science, math, etc. What message does this send? We'll do something that's hard but only after we've spent multiple lifetimes analyzing the dangers? Should 13 year old me temper his dreams of visiting Mars because there are too many unknowns involved?

This is directly counter to the American tradition of exploration and the "can do" attitude not only America but NASA has stood for.  I would wager that we probably know more about what we will find when we get to Mars and what we will find on the journey than Lewis and Clark did when they started west into their unknown.  What would American history look like if they had chosen to study every possible permutation of wagon design for sixty some years before embarking?

When we set out for the moon we had less computing power than my car does today in the Apollo modules and we had no idea what-so-ever how to put a square peg (the Command Module CO2 scrubber) into a round hole (the Lunar Module CO2 scrubber) but we figured it out and we are the better for it. If we're saying we're not only not willing but flat out incapable of tackling that challenge today then I don't think it is at all unreasonable to wonder what have the last 50 years meant? What stewards are we of the memories of those who have given their lives in the name of tackling those challenges?

"Hindsight."

It is interesting that as all of this has come about I have once again picked up the book "Deke!", Deke Slayton's autobiography. I wanted to pick it up again because when I was watching some of the Columbia memorial footage I was struck by Bob Crippen mentioning that he was at Kennedy Space Center when Columbia arrived escorted by Deke Slayton in a T38.  I forget at times that Deke was involved in the development of the Shuttle as well of course as virtually all aspects of our space program that came before. I'm currently working my way through his discussions of the Apollo and lunar programs.  There are casual mentions of the "Apollo Applications Program" as a framework for what the Apollo hardware might have been used for after the initial lunar missions wound down. 

I need to pause here and say that I grew up with the Shuttle, I have nothing but respect for the amazing vehicle it is and has been.  If it were up to me we would keep flying the Shuttle for as long as we fly the ISS it doesn't make sense, in my view, to extend the ISS and cripple it by eliminating the additional capabilities the Shuttle represents.  I also have tremendous respect for the Shuttle workforce, more so now than ever as a result of my interactions with the Space Tweep Society.  It will be hard to watch as the program winds down after all it's the program I grew up with, it was the Hubble missions that really truly inspired me to be as passionate as I am about human space flight.

Hindsight is 20/20 and I'm not an expert on the decision making process that lead to us abandoning Apollo in entirety and going with the Shuttle. It is my understanding that it was originally intended that they were to compliment one another, the Shuttle for example as I've heard it was hoped to be ready in time to boost Skylab to a higher orbit.  A part of me imagines the alternate universe were this was born out. Where we kept the Apollo hardware in place and maintained the heavy-lift capabilities of the Saturn V.  Apollo seems like it was a versatile architecture with capability for LEO, Lunar missions, a space station, and as a heavy-lift perhaps even Mars.  Indeed Von Braun himself dared to dream a program that had humans on Mars by 1982!!

"Wake-Up"

My hope for the future comes from the fact that there has been progress in the last fifty years. There has never been more ways to communicate and the Internet has brought a community of hundreds, if not thousands, of passionate space enthusiasts, and stakeholders together. People are passionate about the belief that we do need to expand into the stars and are represented online by countless groups, organizations, and efforts. 

If this group is able to mobilize then I am hopeful that for perhaps the first time our direction in space might be determined by, in the best traditions of democracy, the people. I believe the the online community could serve as a powerful catalyst but I truly believe that even the more mainstream audience takes pride in our space program and in the Shuttle and our Astronauts.

When the Shuttle program comes to an end soon I believe America as a nation will be dealt a stiff wake-up call and the general public will start to ask why we have allowed the state of affairs to devolve to the point where the first and only country to land humans on another terrestrial body no longer even has the ability to launch its citizens into space.

Have I agreed with him on every point? No. But the words of George W. Bush in the aftermath of Columbia ring as true to me on this matter as any I've heard and I truly believe they're not just lofty rhetoric but an imperative and absolute…

"This cause of exploration and discovery is not an option we choose, it is a desire written in the human heart."

Saturday
07Nov2009

Engaging NASA's Human Side

It's no secret that I've been a space geek/nerd/enthsiast since I was about 13 years old. Since that time I've always admired (envied?) NASA, those who work there, and of course astronauts.  Now in the world of Twitter/Facebook/YouTube and social media how I think of astronauts as people is changing drastically, and I think that's a good thing.

My mental image of how I think about astronauts as people was shaped early on in my love affair with space exploration as a result of a trip I took in the summer of 1994 to Space Camp in Huntsville Alabama.  One of the key components of the program I was participating in was simulated shuttle missions.  During my time I served on one flight in Mission Control as "Capcom" and on the next I asked for something with responsibility and ended up, to my serious surprise, as "Shuttle Commander."  However I learned quickly just how much responsibility the Capcom has (hint: LOTS more than I ever imagined but that's perhaps another post). During my time at space camp I became quick friends with a fellow space geek in my group. I geeked out over things like shuttle abort modes and acronyms and he open my mind to a whole new world of things like Mercury, Gemini and Apollo.  He suggested that I read the book Moon Shot to start catching up my knowledge of the early days of the space program and I did at the earliest connivence. (Btw, J.R. Harris if you're out there hit up the Capcom)

I think it is fair to say that if you look back on the Mercury days and the original 7 you emerge with a romanticized larger than life view of what astronauts are supposed to be. In fact back in those days that is the exact effect that NASA and the government was going for, and I came to idolize guys like Shepherd and Slayton (my to favorites from that era to this day, Shepherd in fact hailing from my native New Hampshire).

This romanticized view worked for the time but this is 2009. NASA and its astronauts, as best I can tell, have embarked on an unprecedented mission of engagement with the public they serve.  I found myself wondering the other day for example as I checked in on one of my Twitter lists, that contains all the Astronauts currently on Twitter, if 13 year old me would believe that I might one day be interacting directly with actual astronauts.  NASA and the astronauts have truly embraced social media, and that might almost be an understatement, we've now had everything from tweeting shuttle commanders, to "tweetups" on the International Space Station.  Even now this new engagement is evolving and soaring to higher heights and much like Moon Shot defined my early impressions of astronauts Twitter and YouTube are shaping my impressions of the current brand of astronaut in an even more positive light.

Let me just highlight a few of the things I've come across recently that 13 year old me probably wouldn't have believed.  The other day I came across a video of future Space Station Commander Scott Kelly (@StationCDRKelly) had posted to TwitVid giving a brief tour of the American crew quarters in Star City Russia. In case that doesn't register for you we are talking about tweeting from one of the most closely guarded secrets of the Cold War.  We also recently got a look inside the "Astro Van", thanks to Astronaut Leland Melvin (@Astro_Flow) who posted another video to Twitter, as the astronauts rode to the pad for their TCDT (or "terminal countdown demonstration test") of astronauts joking around laughing the mood was light, and it was fun to see.  Last but certainly not least Astronaut Mike Massimino has been producing a great series of videos (just one of many) on YouTube giving an inside look at the training of the STS-129 crew, if you are at all interested I highly recommend checking them out.  In addition definitely follow @Astro_Mike on Twitter he's very active and a pretty cool guy.

So what does all this mean?  Well I believe it adds up to unprecedented engagement and access to our space agency.  After all NASA is a public effort and it is great to see them engaging the very public that keeps them flying.  As a space geek it is somewhat mind boggling to me to get tweets from Star City for example a place that is not known for being open and has always fascinated me.  More than anything though what you come away from following the tweets, videos, etc. is that these are just real people they have families, kids that need to do homework have sporting events to get to, they like to joke around, they have good days and they have days that are down right frustrating...like all of us.

What NASA is succeeding in doing, I hope, is showing the world the human side, beyond the rockets, acronyms, and tech talk they are an organization of truly great dedicated...real people. Hopefully seeing this side will make kids realize, "hey I can do this, they're just like me or my dad/mom, and I can be an astronaut too" and that's a good thing when we've heard much talk lately from the President about NASA's mission to inspire.

Here's the bottom line from all of this for me, for a group that spends much of their time circling it astronauts are a very down to Earth group of people.

Tuesday
11Aug2009

ABC's "Defying Gravity"

You know I really want to like this show.  ABC has a new show on Sunday nights titled "Defying Gravity."  The show stars Ron Livingston (aka Peter Gibbons in Office Space but also stared in Band of Brothers).  I've been a fan of Ron since I first saw Office Space and since a good friend of mine told me how much Ron reminds him of me in Band of Brothers. I enjoyed his last effort on the small screen "Standoff" but FOX wasn't quite as into it as I was...WHAT ELSE IS NEW?!  The show revolves around a mission to explore the solar system and the group of astronauts on said mission and stars one of my favorite actors. Again I want to like this show.

(MAJOR SPOILER ACTION BELOW)

Alright so the premise of the show is that we are in the future somewhere around 2050ish or so humans have apparently visited Mars at least once that we know of but there doesn't seem to be any sign that there was a permanent presence.  Society's attitudes around sex seem to have become even more conservative and there are implications that Roe v. Wade has been overturned in addition paper money seems to have (FINALLY!) been replaced by smart debit cards.  As the show opens we are being introduced to the crew that will eventually spend a 6 year voyage traveling to many of the planets in the solar system most often mentioned is Venus as well as conducting experiments along the way. We quickly learn that for medical reasons two members will be replaced by their alternates.  Those alternates are known for having been responsible for leaving two astronauts behind on the surface of Mars. Here's where it starts to fall apart folks.

The Mars Mission - We see a sequence where Ron Livingston's Character (Donner) is forced to make the decision to launch the Mars lander back to orbit while two astronauts are trapped in a dust storm. Really? What the heck kind of a mission are you running here?  What is this 1969 why wasn't there a permanent hab? Also why is it so urgent that you launch? You didn't build the lander to survive the dust storm? We can build rovers that survive them now? The sequence falls apart for me and I don't get the fake urgency that results in the "tragedy."

The Rescue of A.J. -  One of the crew members that is told they have been scrubbed from the mission is and Indian guy A.J. who takes his work as primary engineer very seriously and eventually finds his way to an air lock and manages to access it, open it, and get an EVA suit on all before Mission Control is the wiser. Hu ooookay. Then Donner manages to launch in the supply vehicle (which first of all was supposed to be going to a space station) from Vandenberg in enough time to then pull up in the capsule, convince A.J. that really his now meaningless life is worth living and save the day.  Ooookay where is Mission Control? Because they claim that the supply capsule will launch from Vandenberg (I guess cheesy reference for space geeks like us I mean it was a shuttle site at one time so it's not THAT implausible in 2054) which means that Donner has to get all his stuff together, and if the ISO is anything like NASA today get on a plane and fly from Mission Control to the launch site, launch into the exact orbit of Antares (the exploration craft) and then pilot the capsule. Pretty sure I haven't seen anything like that EVER happen in 8 hours and from the clip they show the rocket used is similar to what we're doing today so that means similar processing times, procedures, etc.

Nanofibers/Artificial Gravity Cop-out - Okay here's where the train REALLY comes off the rails, they claim that their clothes have nanofibers that some how keep them anchored to the deck and if they take their clothes off then oh look Zero Gee floating naked people (which we are already into like 15 minutes into the show...ugh). Problem is they don't even really try to make this work or look good.  They take things out of the fridge and they don't float, they walk around in clothes that aren't flight suits and they don't float, equipment objects, etc. that by the rules should all float of course don't.  Perhaps the most insane example of this is that Donner brings a baseball with him and is always tossing it around and you can just tell that they aren't even trying. Then we have Paula getting Zero Gee sick almost as an attempt I guess to say no really they are in Zero Gee. But here is my question though on all the exterior shots we see big giant spinning arms with pods on the end what the heck are those doing if not generating gravity? Why even have them spin...HELLO!?  The whole sickness thing also brings me to the next bit of coo-coo in this show...the "halos."  We can invest in creating anti-sex patches and not in creating some cure to Zero Gee sickness I would think that might be kinda important during a 6 year mission in Zero Gee (which current medical science doesn't even being to support as possible but hey.)

Halos - Okay so we wouldn't want anyone "hooking-up" in space now would we? Of course not that would be horrible for crew moral and a whole host of other pshyco-babble reasons so solution to this problem enter the "halo."  The halo is essentially an anti-sex patch that apparently this upside down culture in a few years will necessitate that shuts down male and female sex drives. Yeah I don't think the craziness of this really needs to much explanation especially in light of the fact that they managed to develop this patch and not the anti-Zero Gee sickness patch good to see that humanities priorities won't have changed in another 45 years.

Donner's Rescue of Zoey - So there's another emergency sequence where they are doing the checkouts on an EVA suit for use on Venus and Doner decides to tether Zoey to the airlock because he's been having dreams about her floating off into space, okay I mean hey seems prudent anyway right? Why not. So everything seems to be going fine and then they decide to decompress the airlock and the hatch blows open unexpectedly and Zoey floats way off into space at the end of the tether where we learn that her suit has a big leak and is rapidly decompressing. Alright so Donner to the rescue again he suits up and goes into the airlock. And here comes the train wreck folks he starts MANUALLY pulling her in...UM...HELLO!? Is there seriously not a winch on that tether?! Okay I'll grant you maybe there isn't but why the heck was she on a 3 mile long tether in the first place?  Anyone who has even bothered to watch a real EVA knows that there are different types and lengths of tethers.  This scene bothered me a lot.  Then of course there is the whole thing with her splitting to plug the leak but hey.

Mission Timeline/Science - Also the timeline of this mission is bizarre Earth is still plainly visible and it's like day 2 of the mission and you are already checking out the suits for an EVA that is probably months away? Oookay. Also the whole thing with what's her name working on the embryo's and stuff I mean what the heck have you been using your space station that you apparently still have for during the last 45 years?!  I mean I guess I can understand the rationale that perhaps this is the only neutral place you can do this kinda research if abortion is outlawed, etc.

HAL is that you? - Okay and then there is the whole "something is out there with them" angle.  Ugh. Really?! I don't know I'm not all that interested in this plot because it is so predictable and it is so what you do when you are making a space movie or show. I'm pretty sick of it frankly and whether it is some alien presence or misbehaving AI it kinda seems like they are ripping off the whole HAL/2001 vibe with malfunctioning equipment, etc.  Also why not just tell the crew?  I mean 6 years they aren't going to figure SOMETHING out? I dunno like I said I'm so not really into this aspect of the show.

Alright it's obvious I could go on and on but I think I've made my point. A number of years back there were rumors that James Cameron was going to make a mini-series out of the award wining series of novels about Mars (Red, Green, and Blue Mars) by Kim Stanley Robinson.  Unfortunately despite my desperately wanting it to that never happened.  I'd just like to see someone someday out there do a hard science fiction show about a mission like this without it having to be about aliens and sex in zero gravity. I suppose that is very clearly to much to ask if we look at the long history of this genre. 

So now I am face with the decision of whether to abandon the show or to stick with it and Ron Livingston.  I may hang on until other shows come back in the fall and there's something else to watch.

Tuesday
28Jul2009

Human Space Flight: What I'd Do.

In May President Obama formed what is essentially a presidential commission in the form of the Human Space Flight Committee (HSF). The HSF is charged, more or less, with evaluating all aspects of our current efforts as a nation in the area of manned space flight. As I understand it everything is on the table for the committee they're looking at current programs (the shuttle, station) as well as future efforts (constellation, the lunar mission, etc.). As part of this effort the committee has been holding a series of public meetings to both gather information and present their findings. I spent most of the day watching the latest meeting held in Houston, TX and it got me thinking about what I'd do if I could wave a wand and shape the face of space exploration for the next several decades.

Since I was a teenager I've always been a major proponent of human space exploration and NASA's efforts. I had a boyhood dream of being the first person to step foot on Mars and have always been fascinated by the red planet and desperately hope that I will see someone plant a boot there in my life time. I often joke that I would retire to Mars given the opportunity but in reality I would literally jump at any opportunity to migrate to Mars. Truth be told many of these views are shaped by the work of Dr. Robert Zubrin and the Mars Society (who's testimony I eagerly await on August 5th).

One thing I took away form the committee today is that we can't do it all with the budget NASA currently has. The interconnectedness of everything the committee looks at is amazing to me everything has it's cause and effect with implications almost to wide to comprehend. Which I guess brings me back to what would I do? I'm not really qualified to debate the merits to shuttle derived this vs. Orion that vs. Constellation whatever so I am going to stick primarily to the overall mission of the program. It's the potential to see this altered that gives me as much hope as I've had in some time about the future of our manned space efforts.

Well ultimately I would craft a program built with the end goal of full scale human colonization of Mars. It occurred to me today that the human psyche has already considered this possibility. After all how many places in movies, pop-culture, literature, etc. do we see Earth threatened in someway and we take off in search of a new home in the stars. In the tech community when we talk about backups it's often said that something doesn't exist unless exists in two places. Humanity as a race fails this basic test and that seems unacceptable to me.

Before we get to Mars though I think we need to do something to address the so called "gap" this is the idea that there will be a 5 (or according to today's presentations as much as a 7!) year gap where the United States will not have the capability to launch humans into space. Let's consider some examples from fiction how many movies are there were an asteroid shows up and we have a crash program to send astronauts out there to meet and confront the threat? How exactly is that going to work when we've put the Shuttle in a museum? So I would fund the shuttle program to insure that there is effectively no gap between programs, yes this will require more money but we're either committed to a manned space program or we're not. If we're not going to be more committed than we have in the past the we will end up with the same results previous programs have yielded. I often think about the dismantling of the Apollo program in the context of a threat to humanity, let's say we HAD to get people off planet. How would we do that today? We don't have the hardware.

Then there is ISS. This is a tough one because as I mentioned above the central goal of my program is human colonization of Mars. While I'm admittedly not an engineer I have a very hard time buying any of the rationales that use the ISS as a test bed for exploration of Mars, heck for me the Moon as a Mars analogue is even a hard pill to swallow. The reality is that the ISS remains in orbit, has cost us 60 billion dollars and that is is the INTERNATIONALSpace Station. It just feels totally asinine to me to crash 60 billion dollars worth of hardware that we spent decades assembling into the ocean after just 6 years of service. In addition to which I think that there are very real issues with the execution of that it seems pretty clear that our partners have no desire to end the ISS after 2016 so what do we do if they don't want to leave? Stick them with the bill? Is this something we really want to risk international relations over? Practically I don't think it is a U.S. decision to make in-terms of whether we de-orbit the station. Perhaps we could just pull the funding but that doesn't seem like a great way to insure the cooperation of other nations going forward. One thing that's always appealed to my imagination is the ISS as a 2001-esque launch terminal for interplanetary shuttles, etc. What it comes down to for me is that I don't have a good answer for the ISS question. It's at direct odds with the stated goal of my program but from a rationale thinking perspective a crash landing doesn't make sense and isn't practical anyways.  I would like to additionally say that the ISS is an engineering marvel and watching it's construction has been nothing short of amazing.

So in summary my desire plan would define as the clear and direct goal of the manned space program to work towards large scale human colonization of Mars, while also insuring that we do not allow a gap. Achieving no gap will require additional funding. I'm not as clear on the ISS but I am certainly in favor of exploring the various commercial launch solutions for re-supply and crew transfer to the ISS and freeing up NASA to support shuttle missions and the hardware and exploration work needed to support eventual colonization.

In short: Colonize Mars.

Tuesday
19May2009

"New Adventures" for Hubble and Manned Spaceflight

Those who know me, or have read more than an entry or two here on this page will know that I've long considered myself a space exploration geek/nerd/advocate and so I would be remiss if I didn't mark today as Hubble was released earlier in the day by the crew of STS-125 and Shuttle Atlantis. I shared my thoughts earlier in the week on the significance and uniqueness of this particular shuttle mission.

One thing that struck me watching yesterday as the final EVA from the shuttle airlock ever was concluded was that this is really the end of an era for the shuttle program. Aside from traveling to a space station the shuttle was really designed to do the type of work performed on this mission to capture and service satellites in orbit. With the end of STS-125 also comes the end of one of the shuttle's primary roles.  Part of the nostalgia for me is that during my lifetime NASA and the American manned space program has always meant one thing: the Space Shuttle. When I went to space camp we trained in shuttle simulators it's always just been there, much the way the space station is for the current generation.  It is weird to think that the shuttle will soon be nothing more than a museum piece or worse yet a planter for weeds in some storage yard.

I was preparing to write a longer entry with my own thoughts on the mission but then as EVA #5 (the last EVA in service of Hubble, some video highlights of the EVA.) wound to a close Astronaut John Grunsfeld radioed down these words while floating just outside the shuttle's airlock, I found them personally moving and inspiring and so I share them and echo them as far more eloquent than I might hope to produce.

Outside the airlock hatch, John Grunsfeld said, "This is a really tremendous adventure that we’ve been on, a very challenging mission. Hubble isn’t just a satellite- it’s about humanity’s quest for knowledge."

He also thanked several people who contributed to Hubble and the servicing mission, then went on to say,

"A tour de force of tools and human ingenuity. On this mission in particular, the only way of finding the limits of the possible is by going beyond them into the impossible. On this mission, we tried some things that some people said were impossible….We’ve achieved that, and we wish Hubble the very best. It’s really a sign of the great country that we live in that we’re able to do things like this on a marvelous spaceship, like space shuttle Atlantis. I’m convinced that if we can solve problems, like repairing Hubble, getting into space, doing the servicing we do, travelling 17,500 mph around the Earth, we can achieve other great things, like solving the energy problems and climate problems- all of the things that are in the middle of NASA’s prime and core values. As Drew and I go into the airlock, I want to wish Hubble its own set of adventures and with the new instruments that we’ve installed that it may unlock further mysteries of the universe."

Godspeed to Atlantis, her crew, the entire space shuttle fleet, and of course Hubble!