Question

In 1609, Galileo converted a toy into the telescope and discovered four moving stars were actually what? Question 1 options: 1.moons of Earth 2.moons of Jupiter 3.constellations 4.actually stars that were in orbit

Answer 1

2.moons of Jupiter

Explanation:

• In the early evening Galileo Galileo observing Jupiter finds in its vicinity three stars: two east and one west of the planet.
• The next evening he noticed that Jupiter had moved and that all three stars were west of the planet.
• The they after it was overcast and Galileo was observing Jupiter again. Two tiny stars were now standing east of Jupiter.
• Galileo realized that the stars were in fact three Jupiter satellites.
• He later also discovered the fourth satellite of Jupiter.

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