Multiple Choice
Stars A and B appear equally bright,but star A is twice as far away from us as star B.Which of the following is true?
A) Star A is twice as luminous as star B.
B) Star A is four times as luminous as star B.
C) Star B is twice as luminous as star A.
D) Star B is four times as luminous as star B.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: Spectra of the least massive main-sequence stars
Q23: The stars that have the largest radii
Q33: The absolute magnitude of a star is
Q57: Star A emits its peak energy at
Q58: Star C is a red star.Star D
Q60: Star E is the same temperature as
Q63: The one property of a main-sequence star
Q64: The Hertzsprung-Russell Diagram is<br>A) a graph of
Q65: On a typical H-R diagram,where are the
Q66: Among main-sequence stars,the most massive stars are