Multiple Choice
In general, the narrower the spectral line of a star:
A) the hotter the star is.
B) the bigger the star is.
C) the denser the star is.
D) the smaller the star is.
E) the cooler the star is.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q47: What is proper motion? How is it
Q48: Gaia will be able to measure which
Q49: On the main sequence on an H-R
Q50: In a spectroscopic binary, if a pair
Q51: Star A has an absolute magnitude of
Q53: If a star were moved 10 times
Q54: What types of observations are necessary to
Q55: The Hipparcos mission's data on parallaxes is
Q56: A star with a parallax of 1
Q57: Stars that have masses similar to the