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Comets Bombard the Early Earth

Grades: 6-12
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In this video segment adapted from NOVA, learn how key ingredients for life may have been delivered throughout the solar system by comets and ...

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Accessibility: Auditory, Visual, Caption

Permitted use: Stream, Download and Share

© 2012, 2011 WGBH Educational Foundation. All Rights Reserved.

Benchmarks for Science Literacy
NSTA National Science Education Standards


NOVA: "Finding Life Beyond Earth"

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Adapted from NOVA: "Finding Life Beyond Earth." Third party materials courtesy of NASA, NASA/JPL-Caltech, NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington.