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Q2: The Hubble constant is approximately 70 km/sec/Mpc.
Q13: Is it possible for a red star
Q21: Refer to the H-R diagram. Which point
Q30: How do we know that giant stars
Q35: Where are stars born?<br>A) reflection nebulae<br>B) dense
Q60: A star on the _ _ generates
Q87: Because more massive stars have more gravitational
Q115: The diagram shows three approximate locations of
Q135: In which way are type II supernovae
Q141: If the apparent visual magnitude of star