An international team of engineers and space scientists has used a variety of assumptions, techniques, and math principles to ...

The satellites, which are maintained in the proper position about 22,500 miles above Earth by firing small rocket thrusters ... for gauging the quantity of propellant in a satellite's fuel tank. The ...

In the meantime, NASA is busy getting all of the rocket's components in order, like its gigantic fuel tanks. Watch the painstaking process of months of work crammed into 60 seconds. It's pretty ...

We are fascinated by the hybrid rocket engine which [Ben Krasnow] built and tested in his shop. It is actually using a hollow cylinder of acrylic as the fuel, with gaseous oxygen as an oxidizer.

First stage fuel tank below ... Company Rocket Name Rocket Type Key Features/Notes iSpace Hyperbola-3 Methane-liquid oxygen Payload capacity of 8,500 kg to Low Earth Orbit (LEO); first flight ...