William Herschel thought he had found a comet when he spotted the green disk of:
A)Triton.
B)Uranus.
C)Neptune.
D)Titania.
E)Oberon.

Question

Quizplus · Accepted Answer

William Herschel initially thought he had discovered a comet when he observed a green disk that was moving in the night sky. However, it was later determined that he had actually discovered a new planet, which was later named Uranus. William Herschel spotted the green disk of Uranus and initially thought it was a comet.

William Herschel Thought He Had Found a Comet When He