Multiple choice

Who first observed the satellite through a telescope?

  1. Galileo

  2. Harsha Boggle

  3. Aravindh Swami

  4. Copernicus

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Galileo Galilei was the first to observe celestial satellites through a telescope in 1610 when he discovered Jupiter's four largest moons (now called the Galilean moons: Io, Europa, Ganymede, and Callisto). This revolutionized astronomy and supported the heliocentric model.