http://www.esa.int/export/esaCP/SEM2OU0P4HD_index_0.html SMART-1 ion engine fired successfully European Space Agency 1 October 2003 SMART-1's revolutionary...

Is there a formula or rule-of-thumb for making a rough estimate of the rate of air loss in a space craft for a given size air leak? -...

In article , Trakar writes: Quite bluntly, the concept of a "waystation" simply does not...

I recently read Gerard O'Neill's "The High Frontier" (the latest version from Apogee Books with the CD-ROM). The text doesn't really go into much detail 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...

Is it feasible to use a metallic heat shield for a Soyuz (or Zarya)-type capsule? Maybe I should ask: what's the peak heating a Soyuz sees in...

I have grown up thinking some day there will be large orbital space stations of the type suggested by von Braun serving as staging points for journeys to the...

I have been contemplating various reentry options for my imaginary air breathing SSTO vehicle. If I can solve the problem of going to orbit by using an air...

Has much research/design work been done on really large airlock doors? A quick search finds references ranging from real doors around a meter in size to...

I need help in calculating the gravitational drift at L1, 30,000+ km above lunar near side. I'm curious how much stationkeeping fuel, per period of time, a...

Students of the Cal State Long Beach Aerospace Engineering Department, teamed with Garvey Spacecraft, succeeded this past Saturday in launching a rocket for...

Meteors hitting Sun (KST?) (C.omments O.pinions W.elcome wholy COW) I assume meteor strikes are proportional to Area x Mass. (Area seems obvious, and Mass...

Are there any revisions to the NORAD TLE format planned? At the moment it uses two digit year dates. This will stop being viable around the 2060s, when it's...

Looking at the anomaly report describing the accident (at http://www.spaceref.com/news/viewsr.html?pid=10299) I noticed that the midsection of the satellite...

John Bluck Sept. 22, 2003 NASA Ames Research Center, Moffett Field, Calif. Phone: 650/604-5026 or 650/604-9000 E-mail: Juan Bautista...

"Ilpo Lagerstedt" wrote in...

I've been wondering, just what is the minimum protection you can get away with and still be able to function effectively in a vacuum? Say you're breathing...

I am not a particular fan of SSTO, but it appears to me that SSTO has long been within our grasp. The best figures that I could get for the Titan II 1st...

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...

Hello All, I have a question about something I saw in the photos of this week's Titan IVB launch. It is a phenomenon I've also seen in pictures of Titan...