Multiple Choice
If the Sun were to be instantly replaced by a 1-M¤ black hole,the gravitational pull of the black hole on Earth would be:
A) much greater than it is now.
B) the same as it is now.
C) much smaller than it is now.
D) irrelevant because Earth would be quickly obliterated by the strong tidal force of the black hole.
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Why do large,high-mass main-sequence stars never become
Q20: The main difference between Cepheid variable stars
Q45: If an 8-M¤ star loses mass at
Q46: A neutron star contains a mass of
Q46: Gravitational lensing occurs when _ distorts the
Q47: What would happen if mass were continually
Q50: If Earth were to be condensed down
Q51: Although a Type II supernova shines with
Q52: While traveling the galaxy in a spacecraft,you
Q53: If a 60-M¤ main-sequence star loses mass