Multiple Choice
Which of the following can we use to determine the surface temperature of a star?
A) determining if the star has a companion star
B) studying its line absorption spectrum
C) measuring the star's distance
D) measuring the star's parallax
Correct Answer:
Verified
Related Questions
Q17: The parsec is defined so that a
Q20: The parsec is defined so that a
Q24: In a Hertzsprung-Russell diagram, where are 90
Q25: The table lists the spectral types for