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Comets played a 'major' role in making life on Earth possible, new study hints

Live Science
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80% Informative

Comet 67P/Churyumov-Gerasimenko's deuterium-to-hydrogen ratio was three times Earth 's.

The lower the D/H ratio is, the farther from the sun the asteroid or comet was born.

A reanalysis of data from the Rosetta mission to comet 67P suggests comets played a major role in irrigating Earth 's oceans.

Her educational background consists of a master's degree in biology from the Indian Institute of Science , Bengaluru , and an almost-completed bachelor's degree in archaeology from the University of Leicester , UK . She enjoys writing about astronomy, the natural world and archaeology..