Before the invention of the telescope, the known planets were
A) Mercury, Venus, Mars, Jupiter, and Saturn.
B) Mercury, Venus, Mars, Jupiter, and Uranus.
C) Jupiter, Venus, Neptune, Mars, and Saturn.
D) Mars, Neptune, Jupiter, Mercury, and Venus.

Question

Quizplus · Accepted Answer

Before the invention of the telescope, the known planets were those visible to the naked eye: Mercury, Venus, Mars, Jupiter, and Saturn. Uranus, Neptune, and Pluto were discovered later with the aid of telescopes.

Before the Invention of the Telescope, the Known Planets Were