True/False
A star that is spectral class A is hotter than a star of spectral class O.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q74: The Sun's absolute magnitude is about +5.The
Q75: Parallax is the<br>A) distance to an object,measured
Q76: Where on the Hertzsprung-Russell diagram do most
Q77: Spectroscopic parallax is the process of finding
Q78: Astronomers measure the masses of stars by<br>A)
Q80: A yellow star and a blue star
Q81: The Henry Draper Catalog of stellar classifications
Q82: Sirius,in Canis Major (the large hunting dog
Q83: Compared with a star in the middle
Q84: Which of the following is one of