Science

There are many theories about the formation of the Moon, but the most probable is that in the early days of the Solar System, the proto-Earth collided with a celestial body the size of Mars, and this impact generated enough energy to throw enough material into Earth's orbit to form the Moon.

Mushrooms are some of the oldest inhabitants of Earth.

Silver is the raw material for the production of coins.

Snow crystals were first photographed in 1879.

Baltic amber has been found in the tombs of Egyptian pharaohs.

Silver has the lowest contact resistance among all metals.

It consists of four lobes, each made up of eight sections.

Any astronaut interested in working for NASA has to complete 1 000 hours of flying time.

One of the closest supernovae is SN 1987A, which exploded inside the Large Magellanic Cloud around February 23, 1987.

Another potential area of application of graphene is materials engineering.