4029836
9780380725267
Brighter than stars, they awe and inspire with their fiery beauty--and hold the potential for incalculable devastation. Titanic masses of ice, dust, and carbon--among the most mysterious and misunderstood bodies in the universe--they date back to the birth of the solar system. Millions of years ago, they may have helped create life on Earth--and, someday, they may destroy it.David H. Levy is the author of 'Quest for Comets', published 1995 under ISBN 9780380725267 and ISBN 0380725266.
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