On Mar 12, 10:43 pm, "Jonathan" wrote: Joint Doctrine for Space Operations The Services, in accordance with Department of Defense...

According to news reports, a large LOX leak during recent wet dress rehearsals resulted in very serious damage to the Delta 4 launch stand. It's made of sheet...

Anybody want to talk about Atmospheric Flight to Orbit and what it takes to get to Orbit? Personally, I think Atmospheric Flight is the way to get to...

There is discussion of space suits starting on the long-running Three R's thread, but I thought I'd carve it out as a separate topic. Is EVA both necessary to...

This is very weird: http://www.douglasdc3.com/shuttle/shuttle.htm Pat

Lunar tourism doesn't have to be profitable. It just needs to be less expensive. Compare two plans: A. Send 20 astronauts to the moon. B. Send 10 astronauts...

The theory that Enceladus has geological activity because it has internal radioactivity got me thinking. Perhaps there could be planets orbiting brown dwarfs...

Looks to me like that side-effect mentioned in the Cialis commercials. discussion: http://www.armscontrolwonk.com/category/north-korea pictu...

Remember how the Raptors ran into a unexpected problem while trying to deploy to Japan? Here's what the problem was:...

OK, I havent thought about this for several years and forget the reason for why Xenon is used for ion rockets. Sure, it is inert but so is Ar. Ar ionizes...

It looks as if CBERS-1 (NORAD 25940, 1999-057A) or the associated rocket stage has also broken up. Objects through 99057 PB are now cataloged. Details as yet...

What if a 'vision for space exploitation' were to replace W's VSE. It is the first step to LEO that requires the giant leap. I don't know how to set a goal...

ex·plo·ra·tion -noun 1. an act or instance of exploring or investigating; examination. 2. the investigation of unknown regions. May I draw attention to the...

The explosion of a Russian rocket has scattered even more debris into low earth orbit than the earlier Chinese ASAT...

Lunar Space Elevator Linear Tether Considerations (CM @1^9 kg): 363,300 km, ME-L1 = 58,128 km, L1.1 = 63,941 km (-1738 km = 62,203 km) 405,500 km, ME-L1 =...

If the total cost of the shuttle program, about $150G, were divided by the total number of launches, almost 120, and pretending that each mission delivered 30...

Congress just recently let slip the schedule for the shuttle replacement. If Congress turns its back on Nasa's highest priority, hasn't it also done the same...

I'm Sam, a high school senior with a serious interest in space exploration. I am writing a research report discussing whether putting humans in space is a...

There are rumors that because of budget cuts, the Constellation program will be redirected from the Moon to an asteroid. Regardless of whether the Moon is out...

Here's a guy who wants to solve global warming by filling the upper atmosphere with SO2. http://news.bbc.co.uk/1/hi/programmes/6369971.stm I think this would...