I have a theory, that if a magnetic field dissipates at a rate of x m/s, then having a second magnetic field to replenish it at ½ x/s, then the magnetic field...

Hi everybody, i'm trying to calculate the cooling system of a bipropellant hypergolic system, and I'd need urgently to know which is the thermal conductivity...

I was reading this article http://www.newscientist.com/article.ns?id=dn6925 Would this type of approach for rocket fuel be superior to those which have high...

Space Station News /////////////////////////////////////////// 7th Annual CineSpace Short Film Competition Now Accepting Submissions Posted: 01 Mar 2021...

1) I understand the speed required to gain orbit is most of the energy expended by a space craft, relatively little is used to actually gain altitude itself....

X-X-20 Dyna Soar. Who was the chief designer? Was that space plane really anybody´s big dream? IL from winterly Finland

Would it be reasonable to suggest that a VL RLV would be able to stay within a 100 meter diameter path from mach 1 to touchdown? John Hare

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...

hello there. i am writing a paper on the space tourism trend, and would like to trade email with some scholars and/or those interested in traveling into...

Armadillo is still working well on sending a man into suborbital space! http://www.armadilloaerospace.com/n.x/Armadillo/Home/News?news_id=308 is the address...

Does Huygens not detach from it's chute after touchdown? It would be unfortunate if it were dragged by surface winds and so could not return any surface...

I recently read of the plan to sell commerical seats to the moon via a Soyuz flyby. Of course, the Soyuz was originally designed to go to the moon during the...

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...

Has anyone ever designed/built a hybrid jet-rocket (not a scram jet, but hey if it scrams too then thats neat :) I was thinking something along the lines of...

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

Would there be any advantage to using the Mars style airbag descent on the moon? Get down near the surface via rocket, slow the descent, fire airbags and then...

Did large meteor impacts cause volcanoes on the other side Mars? Here's approximate locations for those regions indicating a rough correlation as global...

This is so weak. It should embarass every space fan in America. After all's said and done, it'll cost 2 billion dollars to send an automated monkey wrench to...

How difficult is it for a non-government group to build an effective ion thruster? The only ones that I'm aware of have been built by NASA or the ESA. I'm...

www.armadilloaerospace.com It looks like they are now engaged in bi-prop work, claiming that peroxide motors were not sufficiently robust for multi-use. What...