Hi all... The recent uproar over the shuttle no longer planning to service Hubble since it doesnt offer a "safe haven" like the ISS does got me...

Just wondering - in terms of a percentage - how much money is actually spent on the science instruments on a space probe? I know the launcher accounts for...

wrote: Does anybody know of any other cases in which engines either were or were not audible in the cockpit? I've heard RCS thruster...

How come the commercial airlines use jet fuel rather than LOX/H2? I would have thought LOX/H2 would be lighter and would give the planes a longer range. Is...

Once the X Prize is won, is a goal of achieving orbit reasonable? Could someone build a reusable ship that is capable taking three passengers to orbit in a...

I had an interesting idea today for an artificial island. Instead of building up the sea bed, why not build a diamond or carbon nanotube wall that completely...

Hello, I'm wondering if anybody considered a pressure-feed system with big and light low-pressure tank to store fuel, and very small, strong tank to...

Okay shoot me down if you have to but I think that "Ahad" guy had a neat idea and was on the right track with his "Celestial Titanic"...

Has there been any definative decision made as to what the replacement for the shuttle is going to be? I remember there was the X-plane with the Aerospike...

Couldn't a large comet or asteroid go right through one of our lage gaseous planets (perhaps not right through the middle, to avoid an eventual hard, inner...

A thought,A near earth spent comet measer for size. Make bag, send bag out to comet. Fly bag around comet, seal bag spin and tumble bag to mach comet . Cargo...

Amazingly enough, it's that time of year again on Mars. I've seen a number of hints as to how to get Spirit into position to survive the upcoming winter by...

Pity they don't shorten their links and also one might then know if they are just pictures or actually something blind people can hear. Brian -- ----- ...

Not sure how on topic this is here, but I notice in Nature this week a discussion about the so called force that has meant these craft are not where they are...

I just read the pdf version which has the real interesting stuff taken out (Why for goodness sake?) and one gets the impression that once again, the main...

Of course this is why the Russians have done so well with space. They could generally get away with less reliable systems and just try a few extra...

By arrangement with Arthur Schnitt, a series of columns by him on the subject of "Minimum Cost Design" for rockets is now available at www.dunnspace.com The...

Is is possible to make it into earth orbit using a sub-G thrusting rocket motor together with a hypersonic lifting body? Assuming it is possible Newtonically,...

Hi Group quite a lot of effort has been made to gel liquid rocket fuels. On the oxidizer side I only know about gelling nitric acids. What has been used for...

"Abrigon Gusiq" wrote in message ... If ISS had been available as a space dock, so that the damage could...