This image taken by the space probe Galileo at a distance of 2, 400 km captured IDA and its tiny companion, dactyl.

这幅照片由太空探测器伽利略号离小行星2,400公里处拍摄，依达与其卫星达克图清晰可见。

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In 1995, NASA scientists received the first data from the space probe Galileo -- a message beamed over 2.3 billion miles (3.7 billion km).

CNN: Tuesday,

In December 1995 the space probe Galileo showed that Europa probably has an ocean beneath its icy crust, with tidal heating providing a likely energy source.

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