4.5 billion years of impact


The first solids in the Solar System were small particles which collided and merged to form larger objects: asteroids. Some grew to form the Earth and other planets; many more remained small.

Leftover fragments from this time continue to hit the Earth to the present day as meteorites.

Most incoming objects burn up in the air; meteorites are the remains that reach the ground. Most are made of “stony” minerals, but some are largely of iron-nickel metal. Sometimes, they have been seen to fall, but usually, they are found on the ground and are recognised by distinctive features on their surface or, after cutting them open, in their interior.



Event Details

15 September 2017 - 23 August 2018

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