Where did the meteorites go?

Meteorites
How can anyone say with certainty that we’ve never been visited by aliens from outer space? Thousands of meteorites have, at some point, made their way through space to fall literally at our feet. This month, we’re going to find out where humans discovered these extraterrestrial rocks, what threatens them today, and why just 200 years ago scientists didn’t even believe in their existence.

GET TO KNOW OUR GUESTS FROM SPACE

Comet

Comet — A small body of dust and frozen gases that orbits the Sun. When approaching the Sun, the substance of the comet heats up, and the ice in its composition turns into gas and forms a tail. Sometimes comets pass close enough to our planet to be seen without falling to the Earth’s surface.

Asteroid

Asteroid — A large body more than 10 m (32.8 ft) in diameter that moves in orbit around the Sun.

Meteoroid

Meteoroid — A small body measuring from a tiny grain of sand to 10 m (32.8 ft) in diameter.

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An astronaut floating in space above the earth, surrounded by particles and positrons.

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