Author Question: In general, which type of planet would you expect to cause the largest Doppler shift in the spectrum ... (Read 123 times)

TFauchery · **on:** Jul 27, 2018

In general, which type of planet would you expect to cause the largest Doppler shift in the spectrum of its star?

A) a massive planet that is close to its star
B) a massive planet that is far from its star
C) a low-mass planet that is close to its star
D) a low-mass planet that is far from its star

Question 2

Most of the information about the Moon's internal structure comes from ________ left on the lunar surface by Apollo astronauts.

Fill in the blank(s) with correct word