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China's Great Leap Upward by
Alex R. Blackwell
I'm not sure if this has already been posted, but below is an
interesting article from the October 2003 issue of Scientific...
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Beagle 2: A Fortunate Failure by
Alex R. Blackwell
Beagle 2: A Fortunate Failure
by Jeffrey F. Bell
Honolulu - January 13, 2004
http://www.spacedaily.com/news/beagle2-04a.html
--
Alex R. Blackwell
University...
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New MER Web Forum by
Alex R. Blackwell
Doug Ellison asked me to announce his new web forum devoted primarily to
the ongoing Mars Exploration Rovers mission.
See http://mer.rlproject.com/
--
Alex...
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Lunar Lander in a 5.2m faring? by
Alex Terrell
Quite a few people have criticized the NASA architecture for developing
new launch vehicles whilst lower cost alternatives exist, or will
exist.
Suppose in...
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Taking human culture to universe. by
Alex Terrell
Tim Bruening wrote:
neo wrote:
Suppose mankind discovered new ways of propulsion to reach stars in few
hours.
I can imagine a spaceship...
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SpaceX cash flow positive? by
Alex Terrell
On the web site, Musk quotes:
"On the business front, SpaceX now has ten launches on manifest and is
on track to be cash flow positive in 2006, our fourth...
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Payload Fairings by
Alex Terrell
The only advantage of the Ares V launcher is the ability to carry bulky
payloads.
What can EELVs (in the 20-30 ton LEO range) achieve?
The Falcon 9 has a...
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EADS going for sub orbital tourist flights by
Alex Terrell
http://news.bbc.co.uk/1/hi/sci/tech/6749873.stm
I wonder if they'll be able to compete with Virgin.
Will this prompt Boeing into the market?
Could this be...
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Smaller Scale Moon Missions by
Alex Terrell
NASA's new architecture is probably OK if the mission is to get 4 men
to the moon for a week, and bring them back.
However, to make these missions effective,...
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Launch costs seem irrelevant by
Alex Terrell
To get a good base going on the moon, and enable some crew deliveries,
would need about 25 times 14 tons on the lunar surface. This equates to
about 2,500 tons...
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How did NASA get it so wrong by
Alex Terrell
A clear majority on sci.space.policy seem to thing NASA's constellation
architecture is seriously flawed. I certainly do.
But NASA must have had a team of...
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Someone to defend the Stick? by
Alex Terrell
The Stick (Kebab / White Elephant etc) seems to have a got a lot of, er
Stick in this news group. No one seems to have much good to say about
it.
Will someone...
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Darkening aluminium with nano coatings by
Alex Terrell
(Apologies about asking in policy rather than tech).
Reading some the new technologies around thin-film (10 micron) solar
panels, such...
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Satellite Solar Power Debris risk by
Alex Terrell
One of the other posts got me thinking.
Imagine (in 2100-2200) SSP providing 100 TW of power to Earth. Let's
say this is made up of 1,000 satellites, each of...
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758 |
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What could be achieved by
Alex Terrell
The thread on having to leaving Earth within 25 years got me thinking.
What would be achievable? This is a useful policy question, as
sometimes it helps to see...
( 1 2)
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Maximum capacity of solar panels by
Alex Terrell
Any one know ....
How many W/m2 can solar panels produce, assuming concentrated or laser
light?
The application I was thinking of was for a Solar Power...
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Plug in shuttle by
Alex Terrell
From http://news.bbc.co.uk/1/hi/sci/tech/6943451.stm
The mission is scheduled to last for 11 days but can be extended to 14
thanks to a new piece of...
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