Why was Herschel's strategy for mapping our Galaxy flawed?
A)His infrared telescopes couldn't penetrate the dust clouds.
B)He used globular clusters, lying above the dust in the disk
C)He relied on visual wavelengths, which are obscured by dust.
D)He used radio telescopes that didn't give enough resolution.
E)He assumed Earth was at the extreme edge of the Galaxy.

Question

Quizplus · Accepted Answer

Herschel relied on visual wavelengths, which are obscured by dust, making his mapping strategy flawed. Herschel's strategy relied on visual wavelengths which were obscured by dust, leading to flawed mapping of the Milky Way galaxy.

Why Was Herschel's Strategy for Mapping Our Galaxy Flawed