How many tiny, bright 'stars' did Galileo first observe situated in a line near Jupiter in January 1610?

Answer

Three

Galileo initially observed three tiny, bright 'stars' near Jupiter on subsequent nights, which he later realized were orbiting satellites.

How many tiny, bright 'stars' did Galileo first observe situated in a line near Jupiter in January 1610?

#Videos

Galileo's Revolutionary Observation - YouTube

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