Photons are elementary massless particles, quanta of electromagnetic radiation that we perceive as light.
Giant Planetary System in Space
The largest planetary system found in the cosmos is very young, 10-45 million years old. It is predicted that the life of this system will not last long.
How Time Goes in Space
For thousands of years, even the suggestion that time could run differently in different places was not taken seriously.
The Most Incredible Space Exploration Projects
The media regularly report on new launches, and the services provided by spacecraft, such as satellite television and GPS navigation, are widely used “in everyday life.
Into Space Without a Suit
There are many myths associated with being in outer space without a spacesuit. Some say that the unfortunate person will be instantly frozen
What Can Escape from the Black Hole
A black hole is a region of space-time with a huge gravitational pull. Any body in space has a gravitational field, which curves space-time at least somewhat.