I have been thinking a while that how to ground a satellite or shuttle at the vacuum environment. Can someone explain this? Extra resources will be grateful...

Good Morning, I would want to ask you if the ESA images coming from satellites are used also for militar scopes or just environment, who are the...

In article , Rick Jones writes: I've been curious about the roll the Shuttle does during ascent. ...

This topic was mentioned in sci.space.policy (How to Cool a Planet), but sci.space.tech is a better forum for serious technical debate. The review of nearly...

In an an article in space.com, Harrison Schmitt said, "potentially substantial amounts of solar wind hydrogen are present everywhere on the Moon along with...

For those of you who may have read my article about planetary chauvinism "Somewhere Else Entirely" at http://members.aol.com/howiecombs/somewhere_else.htm, I...

Corrected version: STS-121: Tuesday pre-launch activities have begun -------------------------------------------------- It is Tues, 7:34am EDT (1134z). ...

STS-121: Saturday pre-launch activities have begun -------------------------------------------------- It is Sat, 7:34am EDT (1134z). Range Clearance...

Heads up - STS-121 problems --------------------------- It is Monday, 12:24pm EDT (1624z). The S-121 Management Team is about to begin a briefing that will...

NASA Vessels up on 5711 kHz USB ------------------------------- It is Sunday 10:09am EDT (1409z). The NASA SRB recovery vessels "Liberty Star" and "Freedom...

I had posted awhile back looking for a laptop and hard drive that could work at 30,000ft. I found a suitable hard drive at www.mt-optech.com.....just wanted...

Presumably sci.space.tech is not exclusively about propulsion. Has there been much study about what kind of weaponry a manned spacecraft might carry with...

All I could find on Google are countless links which give inclination of eclipses related to Earth equator, or inclination of Earth axis related to...

Since the success of SS1, there has been greater interest in rockets using N2O as an oxidizer. The pluses of N2O seem to be: 1) Availability - You can buy a...

I'm trying to add a direct comparison of nuclear-thermal vs. chemical engines to the article on the wikipedia. I'm hampered by a lack of even simple data. It...

How does the width of a frequency band relate to the actual digital communications bandwidth? For instance, the Ka band satellite downlink is from 18.3-18.8...

Hi all In case anyone missed...

Sorry if this appears twice, I thought I had posted it but it still hasn't appeared yet... I am trying to flesh out the wiki article on nuclear thermal...

InEurope wrote: Hi I have two question 1. The CMB (Cosmic Microwave Background Radiation) Scientist say that it isotropic through out our universe ,...

Most studies of O'Neill type colonies assume that we would get the millions of tons of material from the moon via a catapult. However, there are some Near...