The planet parade will be visible all month, but Tuesday, Jan. 21 will be a particularly good time to see it, according to Forbes. The moon will be in its last quarter phase and will only appear ...
There are currently 92 moons known to orbit Jupiter. The four largest – Io, Europa, Ganymede and Callisto – were discovered by Galileo Galilei in 1610 when he pointed the first astronomical ...
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