I have just noticed that papers that Henry mentioned the SSTO propulsion review documents are currently available if anyone...

Jeffrey should have said something about the useless capsule design when we have thirty years experience with winged orbiters. sheesh If Constellation is a...

What are the current status of robot races? Saw on the TV the one in what Nevada/Arizona, to have a unmanned ground vehicle, go some 150 miles unassisted? They...

"Hagar" wrote in message ... He and Carl Sagan had their mugs on TV way back when on an almost weekly ...

Hello, Is it possible to design a RTG so that the daughter products release more heat at a later date than when it is first assembled. I am thinking of...

I read an article in Discover magazine about a class of materials that are like metals but 3 to 6 times higher strength. They are created by mixing various...

What components need to make up the lunar transport architecture? One thing I'm not too sure of is the difference between OSP and CEV. Is CEV just be an...

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...

Richard Schumacher wrote in message ... I was about to write "cruise missle", but hell: why...

I just have a couple of dynamical questions that I'm pondering over:- If we wanted to maximise the delta-V increments from each successive gravity assist...

In article , Dumarest wrote: is it better to orient someone, travelling at...

For an update on one version of the plan to explore Europa, check out the article at http://news.bbc.co.uk/2/hi/science/nature/3548139.stm More details,...

There is plenty of software available for visualizing and calculating satellite orbits around the Earth, but I can't seem to find any software for calculation...

Possible to do what I suggest below? Forgot to add Tech to this.. Mike Abrigon Gusiq wrote: Can you say Spray Foam? But first you do the normal, wrap in...

Are there any way for rockets to fly in space , other then throwing mass out in one direction and moving in other

"Arie Kazachin" wrote in message ... Suppose that all (most) of the...

I heard Nasa are testing the scram Jet mach 7 machine soon. It is supposed to such oxygen out of the atmosphere at some 10's of thousands of meters...

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...

I read an interesting article on a proposed experiment for measuring deviations in general relativity using two satellites that would both orbit almost behind...

In probing a icy moon with a probe that melts it's way down, how do you handle the dirt that accumlates in the bottom of the melt hole? If it is just dust I...