Studying the composition of meteorites provides vital clues about what was happening in the early Solar System and how the planets in it formed. By far the greatest insights are provided by meteorites, particularly the fallen space rocks that can be collected immediately, before they have a chance to become weathered and contaminated by lying on Earth's surface. Over recent years, automated networks of sky-watching cameras have enormously increased the rate at which meteors can be detected while they're still fireballs falling through Earth's atmosphere. In some cases, the fireball's trajectory can be extrapolated forwards to predict roughly where the meteorite fragments will land, as well as backwards to determine the orbit of the original meteoroid. Recovered meteorites with a known point of origin are uniquely useful.
This story is from the June 2022 edition of BBC Sky at Night Magazine.
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This story is from the June 2022 edition of BBC Sky at Night Magazine.
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