Anyone know the status of research on heat exchanger laser launch technology? By that I mean a vehicle that carries a propellant (maybe ammonia) that runs...

Is epoxy LOX compatible? What would it take to ignite it? What other options are there for the home office ;-} ?

An article about some features of the Venus mission design I worked on last year made the most recent (7 May) issue of _New...

Anybody out there with some thoughts on the best approach for the CEV? Simple capsule vs. some sort of aero vehicle? Myself, I lean towards the capsule just...

This website... http://www.astronautix.com/stages/satkhead.htm ...mentions a "flat bulkhead" for a possible Saturn IC revision that "consists of multiple...

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. ...

What do you think the minimum launch cost would be to orbit? I'm interested in what factors may apply: launch fees, basic insurance, bribes, whatever. For...

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...

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...

I've recently read that a distant galaxy 11 billion light years away has been spotted. Does this mean that in actuality it was 11 billion light years away...

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...

The first part of designing a space vehicle probably has to be deciding its configuration, so I thought I'd share some ramblings and see what people think. I...

I'm trying to model orbits with Lunar perturbations in Microsoft Excel My first step is just trying to get an ordinary ellipse without lunar peturbations. I...

Can anyone provide me some help with a trajectory I have found on the Internet, please. The following link shows a picture of the trajectory. What is this...

I dont know a great deal about space and current rocket technology, but im Learning (in a very amature fashion!), but i have been trying to find out about the...

Are there any known issues with running multiple HET (Hall Effect Thruster) in parallel to get increased performance? Is it being already used...

The scientist who recently announced that they may have created an extremely short-lived black hole in the lab got me thinking; is the following a plausible...

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...

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

Here is a puzzle. There is a theory of dark matter that says that dark matter is simply mirror matter. This is not antimatter but matter that is reflected...