Hi all, just popped in to this group, as I've heard its a good place for space questions answers. My question is this: You have a rotor 200 meters in...

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...

If we ever finally start mining the asteroids, one issue that comes up is that of bringing the mined metals to Earth. One possibility may be a large number of...

To get a sense of how this collaborative design will work, pick a subject that you know quite a bit about. Look it up in Wikipedia. Hopefully you can find...

I'm wondering if anyone has read the latest...

Here's a claim by NASA: http://science.nasa.gov/headlines/y2005/25aug_plasticspaceships.htm They say they've developed a modified version of polyethylene...

Hello, I'm wondering if anybody considered a pressure-feed system with big and light low-pressure tank to store fuel, and very small, strong tank to...

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

Fairly short notice from SpaceX, as usual: http://spaceflightnow.com/falcon/005/status.html Pat

www.armadilloaerospace.com It looks like they are now engaged in bi-prop work, claiming that peroxide motors were not sufficiently robust for multi-use. What...

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...

Hi, With the Opportunity Rover landing today, NASA (JPL) has successfully landed 3 spacecraft on Mars using airbag technology, that makes it a 100% success...

What's on the drawing board for a return to the moon? A similar command and service module to the Apollo program? Or a shuttle size vehicle? Also, will they...

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

Does anybody know whether Project Prometheus is going to use a turbine-driven generator or an MHD?

Looking at the Mars Rover tracks, I notice that at regular intervals a few feet apart, the treadmarks left in the dust are disturbed for a few inches...

Hi all A major objection raised time-and-time-again (like a struck record really) about humans going either up or down a space elevator is the radiation...

Hello everybody, I have two questions to ask: 1- Is it possible to have a satellite orbit parallel to the equatorial plane? Something like a GEO orbit but...

Is it feasible to use a metallic heat shield for a Soyuz (or Zarya)-type capsule? Maybe I should ask: what's the peak heating a Soyuz sees in...

Check out Scaled.com for details about the second flight of Space Ship One and it's successful flight test feathering the flight surfaces for a test of the...