Here you can watch various nebulae stereoscopically! http://139.134.5.123/tiddler2/stereographer/gallery/nebula/nebula.htm

I was reading this article: http://www.eurekalert.org/pub_releases/2004-05/iop-sds051404.php We have all read about how ablative materials can help to...

Burt Rutan has pioneered the concept of a rocketship that reconfigures itself for reentry and landing. I have been wondering for a while if this approach might...

Is the spectrographic color change at the bounce(Mars) marks due to physical or chemical change? -- -----= Posted via Newsfeeds.Com, Uncensored Usenet...

If you take a look at the moon, it is possible to orbit closely, however, it isn't really practical to orbit the moon for very long anyways. The moon is pretty...

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...

Space Station News /////////////////////////////////////////// NASA, ESA Choose Astronauts for SpaceX Crew-3 Mission to Space Station Posted: 14 Dec 2020...

Space Station News /////////////////////////////////////////// NASA Assigns Astronauts to Agencys SpaceX Crew-4 Mission to Space Station Posted: 12 Feb 2021...

Suppose you have a high-altitude rocket nozzle: It expands the flow to 1 psi at exit. Now suppose you want to light this thing off on the ground. You have...

I was reading about the airship to orbit idea, and how it is probably impossible. This got me to thinking, are there any materials like carbon nanotubes that...

I had thought I remembered that the first posts in the then-brand-new sci.space reorg groups went out in early January 1994, but reviewing Google records found...

Hmm, the idea looks far-fetched, but the Economist magazine has bothered to give it some...

I'm a layman discovering the intricacies of space flight. I understand that the equations for DeltaV denote it as a sole function of mass ratio and engine...

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...

Two-Stage-to-Orbit 'Blackstar' System Shelved at Groom Lake http://www.aviationnow.com/avnow/news/channel_awst_story.jsp?id=news/030606p1.xml Hmm, I've never...

My initial experiments in making parraffin fuel with bubbles of another hydrocarbon were not too successful. I had simply mixed melted parraffin with various...

Matt wrote: The lowest practical circular orbit of the Earth is perhaps 150 km - what are the equivalent figures for the airless Moon and the thinly clad...

I keep a poster in my room (http://www.jasonlove.com/temp/youhere.jpg) of the Milky Way. It reminds me to quit being so petty. Unfortunately, I don't know...

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

I've thought about what a reasonable, achievable, less expensive earth-to-orbit launch vehicle would look like. I keep coming back to a two-stage-to-orbit...