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

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● 探测器在小行星上着陆（英文原文）	● Nov.23 Astronomy Picture: Mare Orientale
● 与爱神星亲密接触	● Why We Fear Ourselves More than Asteroids(2)
● Asteroid Chasers Are Seeing Double[zz]	● More Asteroids in Main Belt[zz]
● 57P: Another Dissolving Comet[zz]	● Building blocks of life are found on asteroid
● Astronomy Picture of Day: Quaoar, a new planet?	● Astronomy Picture of Day: Jupiter Portrait
● Astronomy Picture of Day: moon over Jupiter	● Astronomy Picture of Day: Eclipse in the Mist
● Astronomy Picture of Day: Busy Solar System	● Asteroid Buzzes Earth, Highlights Cosmic Blind Sp
● Astronomy Picture of Day: Astroid 1998KY26	● Search for Deadly Asteroids 'Fruitless'

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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