Multiple Choice
A white dwarf is
A) an object intermediate between planets and stars that will never become a star.
B) a star at the end of its life,with a size close to that of Earth.
C) any main-sequence star with a surface temperature between about 9000 K and 15,000 K.
D) a star at the beginning of its life,with a size 2-10 times that of the Sun.
Correct Answer:
Verified
Correct Answer:
Verified
Q108: If two stars of different luminosity have
Q109: How bright a star appears in the
Q110: The H-R diagram plots the pressure of
Q111: What are brown dwarfs and what are
Q112: In order of decreasing temperature,the complete spectral
Q114: Measurements indicate that a certain star has
Q115: What is the relationship between stellar parallax
Q116: Sirius,in Canis Major (the large hunting dog
Q117: The greater the mass of a main
Q118: What is the approximate ratio of the