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

What’s the difference between black and white holes?

First, a white hole is a hypothetical physical object in the Universe, their existence is not proven😐

A black hole differs from a white not only by its color, but also by the quality of its opposite. If a black hole is an entrance without an exit, a white hole is an “exit without an e…Read More