The first scientist to use a telescope for astronomical purposes was___________ .
A) Kepler
B) Galileo
C) Brahe
D) Copernicus

Question

Quizplus · Accepted Answer

Galileo was the first scientist to use a telescope for astronomical purposes, making groundbreaking observations including the phases of Venus and the moons of Jupiter. The other scientists listed (Kepler, Brahe, and Copernicus) were important figures in their own right in terms of astronomical advancements, but they did not make use of telescopes in their work.

The First Scientist to Use a Telescope for Astronomical Purposes