Does anybody know the name of the mars-sized planet that supposedly hit the earth and created the moon was called? I was watching Natural World just now and...

Have they done any growing of vegetables yet in space? Is it possible? Do the plants know which way is up? Do they use human waste for fertilizer? Do they need...

Here's a question I've always wondered about. How come no space probe (that I'm aware of) has taken photos inside Jupiter's (or any of the large planets')...

I realize that all spacecraft require some degree of radiation hardening, but within reasonable limits, what are the altitude ranges that might be recommended...

This post is to let you know that sci.space.science is now being moderated again. George Herbert has graciously passed the reins on to the new moderators...

What is a Von Neumann machine? It is a machine that will make itself. It is an awesome prospect. It means that if we use the materials in space- the Moon or...

Let us say that you had a 62,000-mile-long Earth-anchored space elevator and let us say it has an electro-magnetic repulsion accelerator along its entire...

I was reading somewhere that they made the first light antenna. I suppose that would make it 100's of times quicker than radio signals.? I know we have 100's...

http://hubblesite.org/newscenter/archive/2003/29/text FOR RELEASE: 11:00 a.m. (EDT) September 25, 2003 CONTACT: Donna Weaver Space Telescope Science...

And so am I. I noticed recently that a batch of 91 AA sized batteries was delivered to the...

A new planet, GJ 1214 b, has been found some 40 l.y. away with 2.678 Earth radius and 6.55 Earth mass. . What surprises me is its density, about 1870 kg/m^3,...

If there was an emergency in space and you had to wear your space suit for a week, where would all the **** and **** go? What if you puked in your space suite?

Hi, first post here, please be gentle. I've tried researching this myself, referring to older posts from this newsgroup, frighteningly technical nasa...

Hi, If our galaxy is rotating around other group of galaxy under influenece of combined gravity of galaxies, which mean that combined gravity of all the galaxy...

Does anyone know a website that describes the delta-V benefits of "perigee burns" well? I'm interested in finding out if there's any use escaping Mars'...

Please excuse this naive query: How is it possible to know that we have not just deposited some "earth DNA" on Titan, via a single (or multiple) viral or...

Robert Schneider wrote: I think that he is probably right. If reflected photons still have the same momentum as incident photons, then a perfect mirror...

wrote in message ... Yes. Complicated stuff. What you end up with is a "sandwich ...

Why we can not find in the web those beautiful color 3D pictures of Mars? are they holding them for future release in books?

I grew up in Germany where we like for all things to be in their proper place. And everything has to play by certain rules eternal. Thus I learned the laws of...