I have added the ability to simulate solar sails to my simulator. A solar sail is an interesting way to reboost a hanging tether at GEO. If anyone can point...

I added the ability to simulate a charged particle moving in the Earth's magnetic field to my simulator. This lets you look at the motion of particles in the...

I've read that there are stages of rockets that have actually flown that had a high enough ISP and mass ratio they could have gone to orbit if they did not...

I have just noticed that papers that Henry mentioned the SSTO propulsion review documents are currently available if anyone...

Proposed system to launch raw materials from the lunar surface to escape velocity: At the top of a 160 meter tall tower is a platform rotating at 100...

Supposedly the slingatron is one of the more sound and more thoroughly reviewed of potential hypervelocity systems, but there are a few problems I can't figure...

Hello, I'm a member of a group building a CubeSat based Pico Satellite. I am attempting to find a standard GPS reciever, perhaps one with multiple antennas to...

The rocket launchers are not economical because they are not reusable. When they reenter the atmosphere, their slender bodies soak up so much heat from...

http://www.esa.int/export/esaCP/SEM2OU0P4HD_index_0.html SMART-1 ion engine fired successfully European Space Agency 1 October 2003 SMART-1's revolutionary...

so who is working on their own rocket ship???? well? Due to a website crash. photos of mine are not available until i pull out the album and re-scan the...

There are precisely two nations on Earth right now that can put a man into space, at least on "Short Notice". And the United States of America is NOT one of...

I'm a student at Worcester Polytechnic Institute in Massachusetts. We've put together a survey of some possible technological breakthroughs in the next 50...

Hello, I was wondering if there was any resources in how to develop software for rockets? Kevin

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...

Can someone recommend me a source where I can buy thin, light-weight solar panels in various sizes? The vast majority of 'consumer' solar battery chargers and...

Getting massive objects moving seems to be one of the biggest challenges that we face with exploration of the solar system. With manned missions, the...

I just have a couple of dynamical questions that I'm pondering over:- If we wanted to maximise the delta-V increments from each successive gravity assist...

Soon they will reach the speed of light and the next stars Japan unfurls solar sail in space The rocket deployed two solar sails, or 'clover type...

As hydrogen peroxide has been demonstrated to be a useful oxidizer (Black Arrow, UK) with some nasty handling issues it occured to me if the latter could be...

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...