What makes constellations?

Constellations are named after a Greek or Roman God. They were made to help sailors find their way. Now they are used to help more people find their way. In this world such help is very useful.

Tuesday, April 29, 2025

Ganymede

"Jupiter’s moon Ganymede may have shifted on its axis when a massive asteroid smashed into it about 4 billion years ago, according to a new study."https://amp.cnn.com/cnn/2024/09/05/science/ganymede-asteroid-impact

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