In what year did Galileo first turn his telescope toward Jupiter and observe orbiting objects?
Answer
1610
Galileo made his crucial observations of objects moving around Jupiter in early 1610, shortly after improving his telescope.

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In what year did Galileo first turn his telescope toward Jupiter and observe orbiting objects?What did Galileo initially name the four largest satellites of Jupiter?What fundamental view of the universe did Galileo's observations of Jupiter's moons challenge?Which astronomer suggested the individual mythological names (Io, Europa, Ganymede, Callisto) for the Galilean moons?Which Galilean moon is noted as being the largest in the entire Solar System?What specific scientific feature makes Europa a focal point in the search for extraterrestrial life?In which of Galileo's works were his observations of the Jovian satellites officially recorded?What is the defining characteristic associated with the moon Io?Besides an impact crater on the Moon, where else is a feature named *Galileo* found, honoring his legacy?What abstract core concept in physics, stemming from Galileo's broader mechanical studies, also bears his name?