Multiple Choice
What is the Great Attractor?
A) a supermassive black hole at the center of the Milky Way Galaxy
B) an immense black hole thought to be at the center of the universe and a remnant of the cosmic singularity
C) a large collection of mass about 50 Mpc from Earth in the direction of the Hydra-Centaurus supercluster toward which the Local Group of galaxies is being drawn
D) an immense black hole somewhere in the universe from the accretion disk of which the cosmic 3-K background radiation is believed to be emitted
Correct Answer:

Verified
Correct Answer:
Verified
Q50: The Theory of Everything is the attempt
Q81: The cosmic microwave background radiation is not
Q114: Gravity holds galaxies together. What does the
Q195: How do we know that the fundamental
Q197: For any object moving uniformly,velocity = distance/time.So
Q199: What is the electroweak force?<br>A) This is
Q200: At about what time after the Big
Q201: Which single observation is perhaps the strongest
Q202: If the cosmic microwave background radiation is
Q205: What is the difference between dark matter