Question

Multiple Answers can be correct.

1. According to the Big Bang Theory:
A.the Universe is about 13.7 billion years old.
B. the 2.7 degree cosmic background radiation (CBR) is a remnant of all of the supernovae that have occurred since creation.
C. the farther away things are the faster they should appear to be moving away from us.
D. the universe is presently expanding.
E. at the earliest times the universe was filled with equal numbers of all "elementary" particles regardless of type.

2. The isotopy of the 2.7 degree cosmic background radiation:
A. proves the universe is very cold
B. was recently shown to be just sufficiently anisotropic enough to provide for the formation of galaxies.
C. implies that dark matter is non-baryonic.
D.refers to the uniformity of the intensity as a function of direction.

Answer 1