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"comet" » "comets", "come", "comes"
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1
by Beech, Martin
Published 2008
Springer New York
“... threats, such as asteroid and comet hits, global warming, and mass extinctions. For us to keep the Sun...”
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2
by Beech, Martin
Published 2023
Springer International Publishing
Table of Contents: “... at Denning's many contributions to astronomy in general, and specifically planetary observations and comet...”