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...

I understand that the large and expensive Gaia astrometry satellite will achieve very accurate stellar parallaxes from (I believe) the L2 point - which still...

I haven't seen anything posted on this -- has a flight readiness firing been scheduled for the Heavy before it launches? -- Reed

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...

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...

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...

The recent post regarding os say it is Flight Linux. Are the spacecraft systems computer programs written in C? Christopher +++++++++++++++++++++++++ "Kites...

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...

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...

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...

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...

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...

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...

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...

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...

David E. Steitz Headquarters, Washington December 4, 2003 (Phone: 202/358-1730) Alan Buis Jet Propulsion Laboratory, Pasadena, Calif. (Phone:...

http://science.nasa.gov/headlines/y2003/03dec_membranes.htm Membranes on Mars NASA Science News December 3, 2003 Thin membranes developed by NASA-funded...

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...

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...

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...