Brian Doherty | July 2, 2007
Why, the news on private space travel is getting almost too thick to keep up with. To add to Katherine's post below, Space.com reports on last week's successful launch from a Russian base of the Genesis II prototype for a future inflatable space hotel.
And of course Katherine's January reason feature remains a wonderful primer on the whole burgeoning world of private space efforts
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I can't see investment in space for anything other than tourism
or scientific experiments ever making solid business sense. Even If
the moon were filled the brim with oil, it would be prohibitively
expensive to go out there and drill it.
Don't get me wrong - i think this all this private spending on
space stuff is great - but I'll be surprised if space travel
becomes affordable for those without massive wads of spare cash to
spend. It's so much cheaper to get rare resources here on earth,
and there are lower bounds on the cost of space travel - it takes a
LOT of energy to get yourself to escape velocity.
Um, I think I remember a documentry on the Genesis II project. Scary stuff. Won't the anti-genmod people be upset with this too? Not to mention Kahn?
Once in space, the 15-foot (4.4-meter) module is designed to
deploy eight solar arrays and expand from its launch width of 6.2
feet (1.9 meters) to a flight diameter of eight feet (2.54 meters).
Genesis 2 carries 22 cameras - more than the 13 imagers aboard
Genesis 1 - to record scenes within the spacecraft's 406-cubic foot
(11.5-cubic meter) volume.
This would be great if they did a reality show in there.
Space tourism? I'm still trying to get a straight answer on what exactly is being accomplished on the International Space Station. Yeah, I know, it's getting bigger, but what the hell are they doing up there besides making it bigger? Anyone?
Crimethink, even if it wasn't inflatable, they'd still need to
fill it with air if it's any use at all as a space station...
The advantage of an inflatable module is that it takes up less
space on a rocket, meaning you can use smaller an cheaper launch
vehicles.
If this tech catches on, I wonder if that means we'll one day see
giant space zeppelins floating from planet to planet...
ed,
Space tourism? I'm still trying to get a straight answer on
what exactly is being accomplished on the International Space
Station. Yeah, I know, it's getting bigger, but what the hell are
they doing up there besides making it bigger? Anyone?
International Space Stuff, of course. None of that pedestrian
domestic space stuff for the new centry.
Um, I think I remember a documentry on the Genesis II
project. Scary stuff. Won't the anti-genmod people be upset with
this too? Not to mention Kahn?
That reminds me -- whatever happened to the poster known as
Kaaaaaaaaaaaaaahnnnnnnnnnnnn!?
(BTW, in the movie, it was actually spelled "Khan.")
It's inflatable? What, do they want somebody to breach the
hull?
Perhaps they made it out of indestructium, the close cousin of
unobtainium?
Hey all,
Just thought I'd interject some additional info into the
conversation.
1. Bigelow has several times pointed out that he isn't developing a
"space hotel". He said that he'd lease space on his stations for
people who want to try and run a space hotel, but that isn't where
he thinks the market is. He's trying to set up a space station that
is cheap and easy enough to access to attract microgravity research
and eventually manufacturing. He's also trying to encourage smaller
countries that don't currently have astronaut corps to put together
space programs on the cheap. Why spend $2-3B per year to have 1-2
of your astronauts up there, when you can get the same results for
a tiny fraction of the price.
Here's a quote:
"It's not about space hotels," Bigelow says emphatically. He
told Aviation Week & Space Technology that he is increasingly
frustrated at media reporting that tars his space facilities as
"space hotels", because on Earth he is the president of the Budget
Suites hotel chain.
"We have been identified as the space hotel folks and that's not
the case -- that really never has been the case."
"We've always imagined building commercial space complexes that can
accommodate a variety of functions or variety of uses. So there is
a major category and there are some significant approaches that we
are going to be announcing that have not been discussed before that
I've seen in any of the literature or any discussions with other
companies," he said.
2. As for hull breaches, I've taken a tour of Bigelow's facilities,
and seen the hypervelocity impact test results. Their stuff holds
up much better than the ISS hull would under micrometeorite
impacts. The actual pressure bladder is protected by several layers
of kevlar, insulation, spacing, etc. When a micrometeor hits the
outer surface, it's going fast enough that it completely vaporizes.
The extra spacing, and multiple layers spread out that gas jet wide
enough that by the time it hits the actual pressure bladder it
can't penetrate. At least not until you start getting to realy big
micrometeors. Basically Bigelow's stuff can take a hit that would
completely depressurize an ISS module.
Just some thoughts. Gotta get back to writing my thesis defense
presentation.
~Jon
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