Take a look at the false-color image of Hyperion at http://saturn.jpl.nasa.gov/multimedia/images/image-details.cfm?imageID=1762 Note the bright,...

Just a detail to fill out a fictional rocket description... I've done some homework on rocket exhaust colors, but flame colors from rocket engines seem to be...

I understand that Cryosat is operational or close to it. Are there any early data available, perhaps in preprint form, or any papers ? Especially concerning...

http://xxx.lanl.gov/abs/astro-ph/0507619

http://dsc.discovery.com/news/briefs/20050926/mammoth_print.html

Looking for references on this. I'm particularly interested in the possibility that today's continents might be, at least in part, remnants of the crust of...

To all Engineering, Physics, Chemistry, Biology and other Natural Sciences students (and young researchers) worldwide: this is a very early call for volunteers...

Hello, I have a small problem which I initially thought would be fairly easy to work out. Given a rocket or mass M ejecting as its exhaust a mass stream at a...

This was an interesting article: http://seattletimes.nwsource.com/html/nationworld/2002495810_asteroid15.html Is Ceres the biggest repository of water in the...

Have any other missions to the moon been completed since apollo 11?

When a photograph taken under sodium light is later viewed in normal lighting it appears a much deeper orange compared to the subjective experience of being...

I've found plenty of information about the problems of high gravity maneuvering (3Gs+) on humans, but almost nothing about extended exposure (weeks, months) to...

Can anyone please direct me to a site that has an accurate diagram of one of the Apollo rockets. I would like to build a model so it needs to be...

Hello, I have to write a high-school level project summarising radio galaxies. The two main classifications of radio galaxies that I have come across are FR...

In the atmosphere? In space? Piloted? Unpiloted? Sustaned speed? Small object (atom smashers don't count!) Hey, I wonder about these things :) I know the...

For the purpose of a science fiction story I was wondering what a black-hole 'solar' system would be like for humans. Suppose we start with a 10-solar-mass BH...

I'm kind of curious about the potential of painting the tank with strong polymer coat, though that'd bite into the payload capacity. The radical redesign...

Some posts which were stuck in various parts of the approval and posting process for sci.space.tech and .science have now been manually freed up and will be...

Is there a newsgroup, public or private, seriously devoted to space elevator science and discussion? I ask because I'm writing a novel based on space...

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 It's getting a bit tiresome seeing one misguided American after another with their cutsie little yellow or...