What are meteorites and comets?

Meteorites are chunks of rock and metal that have broken off of asteroids and other rocky bodies in space, and have fallen to Earth.

Comets are chunks of ice, dust and rock that orbit the sun and can have a tail of gas and dust streaming away from them.

The Hale-Bopp Comet is an example of a famous comet that was visible from Earth in 1997 and was composed mostly of ice and dust.

The Allende Meteorite is an example of a famous meteorite, a chunk of rock that fell to Earth in 1969 in Mexico and contained some of the oldest material in the solar system.

The Chelyabinsk Meteorite is an example of a large meteorite that fell to Earth in Russia in 2013 and caused a powerful airburst when it exploded in the atmosphere.

The Tagish Lake Meteorite is an example of a meteorite that fell to Earth in 2000 in Canada, and is composed of carbonaceous chondrite material.

The Shoemaker-Levy 9 Comet is an example of a comet that collided with Jupiter in 1994 and was visible from Earth.

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