Hi, I will use a direct approch for solving a trajectory optimization problem(optimal control). I find some approches for this , I have some queations, If it...

Regarding an alternate history in which a Near Earth Orbit asteroid is detected that could be visited by a modified Apollo mission. James Nicoll wrote: In...

These fly on Shuttle, in the cargo bay, in conjunction with SpaceHAB carriers. Is there a source for the dimensions of SHOSS boxes, both the exterior...

Seems the the conversations have turned to heating, here is something I posted a while ago in sci.space.shuttle. It really didn't generate much discussion, so...

Retro Aerospace is proud to announce that we have completed an initial test series on a Marshall Spaceflight Center developed energetic monopropellant...

Submitted for deposition here mostly for future reference. http://i-newswire.com/pr13821.html Boeing, in partnership with Northrop Grumman Mission Systems,...

If I am not wrong, "candles" for oxygen generation in Mir were made of lithium perchlorate, whereas the same device in ISS is made of potassium perchlorate. I...

I am a student at San Francisco state, journalism major, and am compiling a story about the upcoming space shuttle launch. i am on a deadline and truly would...

In sci.space.shuttle wrote: I also learned there are 318 people working on the TPS system alone. That amazes me. That's all you...

wrote: Any know how they are going to do Thermal Protection for the Rocketplane XP? Surely a stock Leer Jet fusalage will melt on...

http://exploration.nasa.gov/acquisition/cev_procurement.html

I'm trying to think through different approaches to capturing material catapulted off the lunar surface. The most comprehensive reference design I've come...

If I were designing the nex Titan mission I would go for a hydrogen balloon. It would not explode on Titan. I like the idea of wind power. At the temperature...

There's an interesting (and long) thread over on the Space.com forums about the possibility of redesigning a reusable Gemini-style capsule with modern (mostly...

Jim and Greg Benford are featured in _New Scientist_ http://www.newscientist.com/channel/space/mg18524846.500 along with a brief quote from me, about...

Oops... The Arcam EBM S12 fabrication speed is only about 17 cubic millimeters per second, but its scanning speed is 1 km/s. A much more powerful electron gun...

Extended Deadline: March 10, 2005 See http://www.cs.utep.edu/~cic for details The 2005 International Conference on Communications in Computing...

Space.com has a nice non-technical summary article on going into space that is worth calling to the attention of those here who might otherswise miss...

I am reading James Schefter´s book The Race. He writes, p. 96, that there were some thoughts to make manned shots with Little Joe. I didn´t know that. How...

Ian Woollard wrote: That's not correct. They do laundry on the ISS. The equipment includes laundry detergent and a plastic bag. It is done by hand. ...