Multiple Choice
Which of the following stars is a Cepheid variable?
A) Sirius
B) Betelgeuse
C) Rigel
D) Mizar
E) Polaris
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q1: The higher the luminosity (intrinsic brightness) a
Q3: If a star is 20 parsecs away,
Q4: As astronomers use the term, the parallax
Q5: How did Henrietta Leavitt "calibrate" her period-luminosity
Q6: An astronomical unit is:<br>A) the distance to
Q7: The original definition of a meter was<br>A)
Q8: Why do Cepheid variables have that strange
Q9: The apparent brightness of stars in general
Q10: How far away would a star with
Q11: An astronomer is interested in a galaxy