Science

The Earth's atmosphere weighs approximately 5.15 trillion tons.

There are two types of auroras: northern - Aurora Borealis, and southern - Aurora Australis.

Attempts are being made to create a silver membrane that would separate oxygen from air, taking advantage of the fact that oxygen is easily absorbed by silver.

Unlike Phobos, Deimos rises in the east and sets in the west of the Martian sky.

Mycelium can communicate with trees and plants.

Research on the therapeutic effects of nicotine is a very young field of knowledge because so far the focus has been on its negative impact on the body.

Ganymede's tectonic activity may have occurred in the past, but it does not occur at present.

Crying may help release tension.

A trade route between the North Sea, the Baltic Sea to the Mediterranean Sea, was called an Amber Road.

Phobos was photographed by the following probes: Mariner 7, Mariner 9, Viking 1, Phobos 2, Mars Global Surveyor, Mars Express, and Mars Reconnaissance Orbiter.