Multiple Choice
Possible equations (choose the correct one) : τ =1012/ H ; H = v / d . If gravity is unimportant and H equals 75 km/s/Mpc, then the age of the universe is about
A) 8.9 billion years.
B) 13 billion years.
C) 16.6 billion years.
D) 26 billion years.
E) 74 billion years.
Correct Answer:
Verified
Correct Answer:
Verified
Q21: Evidence for a very early "super rapid"
Q29: We are among the products of nuclear
Q34: In the late 1990's, it was discovered
Q46: If galaxy A is four times more
Q56: What observation has prompted astronomers to ponder
Q58: Even if the Universe has no edge,
Q65: If the Universe is closed, then its
Q69: The redshifts of the galaxies imply that
Q95: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8927/.jpg" alt="
Q96: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8927/.jpg" alt=" If the galaxy