Multiple choice general knowledge science & technology

Galileo was an Italian astronomer who:

  1. Developed the telescope

  2. Discovered 4 satellites of Jupiter

  3. Discovered that the movement of the pendulum produces a regular time measurement

  4. All are correct
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Galileo made multiple significant contributions: he developed the telescope for astronomical use (not invented it), discovered four of Jupiter's moons (Io, Europa, Ganymede, Callisto), and discovered pendulum isochronism. Option D 'All are correct' appropriately acknowledges all his achievements.

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