Two main-sequence stars have the same temperature.If star A is four times more luminous than star B, then
A) star B is two times farther away than star A.
B) star B is four times farther away than star A.
C) star B is eight times farther away than star A.
D) star B and star A lie at the same distance from us.
E) it is impossible to determine their relative distances from the information given.
Correct Answer:
Verified
Q2: A parsec is a measure of
A) time.
B)
Q3: Parallax is used to measure a star's
A)
Q4: What is the difference between apparent brightness
Q5: Star A and star B appear equally
Q6: If a star's measured parallax is 0.2
Q7: You observe two stars in a visual
Q8: Star A is a red star.Star B
Q9: How many arcseconds are there in 1
Q10: What advantage do you gain by having
Q11: Star A and star B both have
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