40+ facts about outer space | Space Facts

40 facts about outer space | Space Facts

Outer space is the area beyond the Earth's atmosphere.

It begins at the Kármán line, which is approximately 100 km above sea level.

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Outer space is a vacuum, meaning it is empty of matter.

It is also extremely cold, with temperatures averaging around -270 degrees Celsius.

The first artificial satellite, Sputnik 1, was launched into outer space in 1957 by the Soviet Union.

The first human to travel into outer space was Yuri Gagarin in 1961.

The International Space Station (ISS) is a habitable artificial satellite that orbits Earth.

The Milky Way galaxy, in which Earth is located, is thought to contain around 100 billion planets.

The nearest galaxy to our own is the Andromeda galaxy, located about 2.5 million light-years away.

The asteroid belt, located between Mars and Jupiter, is home to millions of asteroids of various sizes.