The speed of the Sun in its orbit around the galaxy is deduced from observations of:
A) the galactic center, about which the Sun is orbiting.
B) Cepheid variables between spiral arms, because distances can easily be measured to them.
C) the orbital motions of stars near the Sun.
D) globular clusters in the galactic halo and distant galaxies.
Correct Answer:
Verified
Q24: Which physical process is thought to have
Q25: Where is the Sun located in our
Q26: Three of the following are reasons why
Q27: If you were to view our galaxy
Q28: Which one of the following objects does
Q30: The most important reason why globular clusters
Q31: If the Sun were traveling around the
Q32: The present estimate for the total
Q33: Assuming an absolutely flat rotation curve, what
Q34: Dark matter cannot be seen, but we
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents