Where can I get a list of the Shuttle's system checklist that the crew run down, on the radio, right before launch? TIA.

The JANAF heat of formation for C is 711.2 kJ/mol. That's a lot. If I do the simple heat of formation at 0 K equation for a hydrogen-oxygen rocket, I...

Rapid manufacturing (also known as direct manufacturing) is an additive fabrication technology that makes complex parts automatically from a CAD STL file....

Tonight, an Atlas 5 is going to launch an Inmarsat satellite. The launch window opens at 2142 UTC and closes 15 minutes later. -why? Why is there a launch...

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...

Large rocket engines cannot be reusable because they are damaged by large Reynolds number. The Reynolds number = Re = V*D*S/N whe V = gas velocity D =...

I just finished reading This New Ocean that covers the space age. I really wasn't looking forward to the Skylab part but after I read it and then googled up...

I havent got a clue about the physicle forces on such a wire, but it seems like it would only be 4 times the length of a space elevator.. is it posible?

I think this is reasonable for this group. Below (++++) is a report recieved via email on a project SS2S. It uses an unusual staging technology known as...

The interior of liquid rocket combustion chamber is usually cooled with the so called "curtain cooling," which is a spray of hydrocarbon fuel. The fuel...

Just out of curiosity... What is the carbon-carbon heat shielding on the leading edges and nose of the Shuttle composed of? I'm assuming that part of it is...

In this article on MSNBC.com: http://www.msnbc.msn.com/id/3217961/ "At the start of the trip, the Earth station would focus its particle beam on the...

What is the threshold of brightness for seeing an astronomical object in the daytime Earth sky? Specifically, would a star with 70% of Sol's absolute...

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...

Found interesting things on the Web tonight: http://www.flometrics.com/rockets/rocket_pump/rocketpump.htm Very, very interesting approach... I'm even tempted...

Does the Isp of a propellant change if you change the isotopes of (say) Oxygen, Carbon, or Hydrogen in the constituent molecules? Is there anything to be...

I am very much a fan of O'Neill colonies, but have long believed they would be much easier if they were close to a carbonaceous asteroid rather than the moon. ...

Assuming a satellite in Earth-polar orbit of about 20,000 km radius, would the orbit precess and, if so, how fast? Are there simple, approximate equations for...

If one was to be asked to design an UltraLight that would be able to fly on Mars, what would have to change? Would the wingspan have to change...

Two questions about the equipment Apollo astronauts had while on the moon. 1) Did they have portable lights? Flash lights, helmet lights, some kind of light...