Science

Crying may help release tension.

Until 1920, most astronomers believed that the Milky Way contained all the stars in the universe.

Underneath the icy crust is an ocean of liquid water 75 kilometers deep.

It is a silvery-white metal.

The Aurora Australis appears within the Earth's south magnetic pole.

Silver is also used in the production of electrical and electronic equipment, high-voltage contacts, solder, high-capacity silver-zinc and silver-cadmium batteries, and photovoltaic cells.

The smallest galaxy discovered so far is Segue 2, located adjacent to the Milky Way.

The first NASA Space Shuttle, Columbia, at the end of its final flight on February 1st, 2003, disintegrated upon reentry, which resulted in the death of all seven members of the crew.

Trauma is also a risk factor for anorexia-there is a link between traumatic events and an eating disorder diagnosis.

There is a ridge on the surface of the moon, called the Kepler Dorsum.