Probably such things have been hashed out before, but allow me to solicit the opinion of the readership on this question that has come up in some off-line...

Reading lists and recommended references are a recurrent theme in sci.space.* This occurs so often that it seems like there is a FAQ missing here. This...

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...

"Roger Stokes" wrote: I have read ideas of air-launched rockets gaining about 300m/s, but how about a rocket mounted on a maglev...

Hi, if there is no Atmosphere, where do rockets that go in Space get thrust from

I could've sworn I saw Henry Spencer state recently (or I stumbled over it in a newsgroup search recently) that the Space Shuttle's external tank by itself had...

Why can't you launch a fuel tank into orbit with solid fuel boosters that the shuttle or other transport could dock with? What about to moon orbit?. If you...

I'd like input from all you orbital mechanics out there as to this concept's feasibility: What if sometime in prehistory, the Earth had captured a Near...

JPL has some limited information about the Mars rover electronics and the VME bus: http://marsrovers.jpl.nasa.gov/mission/spacecraft_rover_brains.html What...

I would love to hear opinions about Elon Musk's announcement a fully reusable, two-stage launcher. In this SpaceX animated video...

I am very much a fan of O'Neill colonies, but have long believed they would be much easier if they were close to a carbonaceous asteroid rather than the moon. ...

WORLD'S SINGLE LARGEST TELESCOPE MIRROR MOVES TO THE LBT From Lori Stiles, UA News Services, 520-621-1877 November 3, 2003 Contact information: John M. Hill,...

Is it true that Huygens ceased transmission less than 2 hours after touchdown? Whilst it was a magnificent achievement to travel so far and land perfectly, it...

Is there some nice concise source for the ISPs of nuclear thermal rockets using various working fluids, like ammonia or methane? I thought I had a method of...

http://www.lowell.edu/press_room/releases/recent_releases/dct_rls.html For Immediate Release October 15, 2003 contact: Rebecca Stenholm CKPR (602) 417-0684

Some of the criteria I'm using: Low inclination Perihelion near 1 A.U. Close to earth resonant orbits (good launch opportunities should reoccur on a regular...

John Stoffel writes: Over the weekend I was thinking about SSTO and such, and I remembered one of the ships that Larry Niven...

I wonder if I could feed an off the shelf jet engine with fuel and oxidizer at a fuel rich mixture ratio and later add the rest of the oxidizer to the exhaust...

References: Whoo hoo, another update, based on part of the feedback (don't worry, I'm not ignoring HGH's...

What equipment, materials and amount of electricity are needed to produce steel (in space) from ores found on NEOs? Would there be a need to add carbon (as a...