Multiple Choice
Why was Herschel's strategy for mapping our Galaxy flawed?
A) He used radio telescopes that didn't give enough resolution.
B) He assumed Earth was at the extreme edge of the Galaxy.
C) He used globular clusters, lying above the dust in the disc.
D) His infrared telescopes couldn't penetrate the dust clouds.
E) He relied on visual wavelengths, which are obscured by dust.
Correct Answer:
Verified
Correct Answer:
Verified
Q45: Why were globular clusters so vital to
Q91: The is the spherical outer portion of
Q92: What advantage do radio astronomers have over
Q94: To the outer edge of the Galaxy,
Q95: Detailed measurements of the disk and central
Q97: The distribution of Population II stars and
Q98: Most of the mass of the Galaxy
Q99: William Herschel made the first map of
Q100: The globular star clusters are the most
Q101: Variable stars are ones whose changes over