The reason for a two stage to orbit design are that you want to end up in orbit with the minimum amount of excess stuff. Since you can't throw away much else,...

wrote in message ... I wonder if someone on this list can help me with something that's confusing...

What was the total mass (w/ fuel) of the LEM, CM and SM? In other words, how much gross payload had the S-IVB put into translunar injection when it separated?...

I have been putting together a tech-sheet for a maglev launch boost system using LSM propulsion to boost a SSTO to GEO. I have made some decent progress, but...

How much energy can mirros focus onto a solar panel before it begins to melt? It's an SSPS based question. Could large light-weight mirrors and small solar...

I've been watching NASA TV for a few weeks now, more or less keeping up with the antics of the current station crew. There are four things that have jumped...

The rocket launchers and their payloads have streamlined shape to reduce their aerodynamic drag. Large, low density payload, such as a large telescope or a...

The cheapest rocket launcher that I can imagine has a pressure-fed, liquid fuel engine and self pressurized propellant tanks. The self pressurized tanks...

On Thu, 08 Jul 2004 00:45:13 +0000, MattWriter wrote: I saw a pic today of the Eagle from the old Space: 1999 TV series. While the series' premise was...

I recall reading on the Cassini website that Huygens has a camera on it. Will this be used to send images back to Cassini and then Earth? I've also heard...

What do you think about these two documents? Feasibility and Performance of the Microwave Thermal Rocket Launcher (Kevin L.G. Parkin, Fred E.C....

This is the weekly Frequently Asked Question (FAQ) posting for sci.space.tech and sci.space.science . It is crossposted into sci.space.policy to explain...

From: "Computer History Museum" Subject: Computer History Museum Upcoming Events The Computer History Museumís Speaker...

In article OJQBc.157831$Ly.127326@attbi_s01, Scott Moore wrote: 1. assuming the next "big prize" would be an orbital vehicle, what is...

Hi all, I'm simulating a transmission under simulink. Here are the characterisics. emitter QPSK modulation Factor 2 oversampling channel Fir filter case 1

I skimmed a story about the recent outside repair mission on ISS. It mentioned that the spacewalkers were always ahead of schedule, it took 1 1/2 hours to go...

I keep seeing this term, Coaxial Pintle Injector I've only found one picture and it does not exactly jive with the text descriptions. Any good...

With all eyes turning towards Mojave, Burt Rutan, and his (hopefully) X-prize winning designs, one begins to wonder what the next generation of these craft...

Another wild idea. We do not yet have the materials availible to build a space elevator, but with todays materials we could build a test case that would...

I was wondering if Huygens is actually going to land on Titan, or is simply going to crash into it, a la the Ranger series? And speaking of which, all of...