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The Conversation
The Conversation
Trevor Ireland, Professor, School of the Environment, The University of Queensland

New research shows most space rocks crashing into Earth come from a single source

Makarov Konstantin/Shutterstock

The sight of a fireball streaking across the sky brings wonder and excitement to children and adults alike. It’s a reminder that Earth is part of a much larger and incredibly dynamic system.

Each year, roughly 17,000 of these fireballs not only enter Earth’s atmosphere, but survive the perilous journey to the surface. This gives scientists a valuable chance to study these rocky visitors from outer space.

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