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0 |
943 |
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ship floating on atmosphere by
Bernhard Kuemel
Hi!
Is it feasible to make a ship that floats on the atmosphere? A kind of
bowl with the bottom at 5-10 km and the top so high that it can be
sealed with a...
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0 |
801 |
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Notice: SST Moderators by
Greg D. Moore \(Strider\)
Derek and I will not be as available for the next week or so as usual. I
will literally be in a hole in the ground most of the week.
And my connectivity...
( 1 2)
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11 |
1,471 |
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Mopping up Space Junk by
Andy[_3_]
I have a few ideas to throw into the global pot for consideration.
After their useful lives, some satellites can deorbit with chemical or
ion rockets or...
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7 |
1,359 |
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Meteoroids in the main asteroid belt by
Alain Fournier[_2_]
Space debris in LEO is somewhat of a problem. But I'm wondering about the space debris problem in the asteroid belt.
Let's say we build a mining colony on a...
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1 |
963 |
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TDRSS ground station expansion? by
Allen Thomson
I was looking at the original TDRSS ground station (32.502 N, 106.611
W) in Google Earth historical imagery and noticed that a substantial
addition was made to...
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4 |
1,019 |
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Meteoroids in the main asteroid belt by
Andy Lee Robinson
On Jun 4, 3:32 am, Alain Fournier wrote:
Space debris in LEO is somewhat of a problem. But I'm wondering about the
space debris...
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0 |
1,037 |
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May 31st 09 02:55 PM
by Matt
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0 |
904 |
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NASA orbit simulation software by
João Gomes
Hey..
Does anyone knows what programs does NASA use to simulate and predict
the orbit of a spacecraft? and for simulate the reentry phase of the
shutle and...
( 1 2 3 ... Last Page)
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51 |
7,778 |
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Sun synchronous explanation by
oriel36[_2_]
The common explanation for satellite 'precession' relies on planetary
spherical deviation -
" The uniformity of sun angle is achieved by tuning natural...
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3 |
1,219 |
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14 |
1,524 |
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Global Cooling by
John Hampson
Hi,
Does anyone know if a ballistic trajectory exists directly from the
Moon’s surface to the Earth-Sun L1 Lagrange point? I’m interested to
know if it’s...
( 1 2)
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11 |
1,834 |
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3 |
979 |
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Moon City + bone health ? by
Ken S. Tucker
This post is adjunct to the "Moon City?" post, but specialized.
There seems to a problem with human frame degradation in 0 and low g,
(1/6 g) enviroments.
I...
( 1 2)
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13 |
1,420 |
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1 |
867 |
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Low Mass Space Mirrors by
John Hampson
The idea of reflecting sunlight using mirrors at the Earth-Sun L1
Lagrange point to reduce global warming is well established. It
appears to be based on...
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1 |
954 |
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Moon City + cost/# ? by
Ken S. Tucker
What is the cost, using the projected Ares V system,
to deliver 1# (or kilogram) to the moons surface?
I appreciate this is a difficult answer to quantify.
To...
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3 |
1,165 |
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Moon City? by
Ken S. Tucker
My impression of the long range goal of Program Constellation is the
establishment of a permanent *city* on the Moon. (?).
I use the term "city" instead of...
( 1 2 3)
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20 |
1,739 |
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Orion floatation characteristics by
Dave Downing
Hi all,
I see they have been conducting tests in water with floatation collars
and buoyancy balloons on the new Orion capsule. Does anyone know if
anything...
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5 |
904 |
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1 |
997 |