First selfies in space

Buzz Aldrin took this photo against the Earth during the Gemini 12 mission in November 1966.

Is it possible to fly into space in an airplane?

The fundamental difference between an airplane and a rocket is the engine. The jet engine (air-jet engine of an airplane), in airless space (or in very rarefied layers) will suffocate, because it needs to consume oxygen, for the fuel combustion process.

In a rocket engine, there are…Read More