Astronomy Picture of Day: Asteroid and Moon - _Astronomy版

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_Astronomy版 - Astronomy Picture of Day: Asteroid and Moon

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相关话题的讨论汇总
话题: moon话题: asteroid话题: ida话题: dactyl话题: picture

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s*****t
发帖数: 1994

Ida and Dactyl: Asteroid and Moon
Explanation: This asteroid has a moon! The robot spacecraft Galileo currently exploring
the Jovian system, encountered and photographed two asteroids during its long journey to
Jupiter. The second asteroid it photographed, Ida, was discovered to have a moon which
appears as a small dot to the right of Ida in this picture. The tiny moon, named Dactyl, is
about one mile across, while the potato shaped Ida measures about 36 miles long and 14
miles wide. Dactyl is t

(共1页)

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● Astronomy Picture of Day: Astroid 1998KY26	● Why We Fear Ourselves More than Asteroids(1)

相关话题的讨论汇总
话题: moon话题: asteroid话题: ida话题: dactyl话题: picture

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