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Anniversaries by Oren Tirosh
As everyone knows, in four days it will be the 100th anniversary of the Wright brother's first powered human flight. Tomorrow, however, will be a somewhat...
December 13th 03 10:03 PM
by Oren Tirosh Go to last post
0 648
Astrometry by Roger Stokes
I understand that the large and expensive Gaia astrometry satellite will achieve very accurate stellar parallaxes from (I believe) the L2 point - which still...
December 12th 03 11:01 PM
by Henry Spencer Go to last post
2 706
Delta IV Heavy - FRF? by Reed Snellenberger
I haven't seen anything posted on this -- has a flight readiness firing been scheduled for the Heavy before it launches? -- Reed
December 12th 03 04:19 PM
by Reed Snellenberger Go to last post
0 1,244
Satellite to Satellite communication ? by Norris Watkins
Hello: 1. When you make an international phone call - say from NY to China - how does the voice data travel ? Does it have to be send to the satellite and then...
(Multi-page thread 1 2 3 ... Last Page)
December 12th 03 11:06 AM
by Pascal Bourguignon Go to last post
46 4,224
Space radiation and tourism beyond LEO by Vincent Cate
I got an account on SPENVIS at http://www.spenvis.oma.be/spenvis/ and have generated some radiation shielding data and graphs. You tell it what orbit apogee...
(Multi-page thread 1 2)
December 11th 03 08:49 PM
by Mike Miller Go to last post
14 1,583
Simulating Van Allen Particles by Vincent Cate
I added the ability to simulate a charged particle moving in the Earth's magnetic field to my simulator. This lets you look at the motion of particles in the...
December 11th 03 06:57 AM
by Matthew Montchalin Go to last post
8 987
Space craft operating system programming language? by Christopher
The recent post regarding os say it is Flight Linux. Are the spacecraft systems computer programs written in C? Christopher +++++++++++++++++++++++++ "Kites...
December 10th 03 03:49 PM
by Christopher Go to last post
8 1,709
Beagle 2 landing sequence - how? by Abdul Ahad
With Beagle 2 separation from Mars Express and entry, descent & landing at Isidis Planitia just 2 weeks away... I just have a couple of technical questions for...
December 10th 03 12:55 PM
by Doug Ellison Go to last post
2 1,583
hydrogen dissolved in hydrocarbons by Roger Stokes
I googled recently that hydrogen will dissolve in hydrocarbons such as decane when under pressure (and I can't find it again now!). It was unclear to what...
December 9th 03 11:02 PM
by Iain McClatchie Go to last post
6 787
Gravity Variant on a Tether by TangoMan
My questions concerns the gravity gradient on an orbiting tether, let's say 1,000 km long. The center of mass for the tether would determine its orbital...
December 9th 03 08:16 PM
by Henry Spencer Go to last post
6 1,203
Operating systems used in spacecraft? by Grem
Which operating system/systems are used in spacecrafts? Has FlightLinux been implemented yet; and if not how far in the testing are they? Any information on...
(Multi-page thread 1 2 3 ... Last Page)
December 9th 03 02:10 AM
by Derek Lyons Go to last post
66 6,234
sci.space.tech and sci.space.science Frequently Asked Questions (FAQ) by s.s.t moderator
This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...
December 7th 03 01:01 PM
by s.s.t moderator Go to last post
0 1,156
Medusa? by James Nicoll
Can anyone point me to a decent source for this pulsed fusion system? -- "The Union Nationale has brought to the edge of an abyss. With Social Credit you will...
December 5th 03 11:04 PM
by Ian Stirling Go to last post
6 1,118
MEX MOI Delta v by Bjørn Ove Isaksen
I see from several articles, eg. http://www.spacedaily.com/news/marsexpress-03n.html That there is an aparent velocity change from 11 Km/s to 9 Km/s in the...
December 5th 03 05:39 AM
by Bjørn Ove Isaksen Go to last post
0 1,035
speaking of comets by Lynndel Humphreys
Would it be possible for a Voyager class probe to hitch a ride on a comet? Deep space or what? -----= Posted via Newsfeeds.Com, Uncensored Usenet News...
(Multi-page thread 1 2 3)
December 5th 03 02:34 AM
by Joann Evans Go to last post
20 1,255
Progress, Promise In Space-Based Earthquake Research by Ron Baalke
David E. Steitz Headquarters, Washington December 4, 2003 (Phone: 202/358-1730) Alan Buis Jet Propulsion Laboratory, Pasadena, Calif. (Phone:...
December 4th 03 08:15 PM
by Ron Baalke Go to last post
0 1,237
Membranes on Mars by Ron Baalke
http://science.nasa.gov/headlines/y2003/03dec_membranes.htm Membranes on Mars NASA Science News December 3, 2003 Thin membranes developed by NASA-funded...
December 3rd 03 05:03 PM
by Ron Baalke Go to last post
0 800
Retro-fire Attitude by Proponent
Why is it that spacecraft tend to adopt nose-down attitudes for de-orbit burns? If the acceleration vector were instead precisely anti-parallel to...
December 3rd 03 05:41 AM
by Henry Spencer Go to last post
8 1,295
"shuttle"/BDB combo and fertilizer? by BllFs6
Hi all.... While Im sure this ISNT a new idea....I havent seen it discussed lately....so here we go... Did some web research awhile ago and found some...
December 1st 03 11:19 PM
by Earl Colby Pottinger Go to last post
4 1,367
Unguided orbital insertion (cheap upper stages) by Vincent Cate
On Feb 25 2002 John Carmack started a thread by this name. Google won't let me reply to that thread so I am starting another by the same name. John...
(Multi-page thread 1 2 3)
December 1st 03 05:31 PM
by Vincent Cate Go to last post
21 2,100
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