Physics
Rare meteorite found by ‘fireball’ observatory
Robotic cameras that spotted a bright meteor, or fireball, in the night sky have led scientists to an unusual rock that holds clues to the early solar system
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Robotic cameras that spotted a bright meteor, or fireball, in the night sky have led scientists to an unusual rock that holds clues to the early solar system
The cause of the Tunguska explosion of 1908 has long been debated – a new study based on the behaviour of the space shuttle's exhaust suggests a comet was to blame