Multiple Choice
Based on observations of the cosmic microwave background, the overall composition of the universe is approximately _ .
A) 4% ordinary (baryonic) matter, 23% non- ordinary (nonbaryonic) dark matter, 73% dark energy
B) 15% ordinary (baryonic) matter, 85% non- ordinary (nonbaryonic) dark matter
C) 100% ordinary (baryonic) matter
D) 1% ordinary (baryonic) matter, 99% non- ordinary (nonbaryonic) dark matter
Correct Answer:

Verified
Correct Answer:
Verified
Q82: Based on current evidence, a supercluster is
Q83: What is the distinguishing characteristic of what
Q84: Which of the following are candidates for
Q85: Measuring the amount of deuterium in the
Q86: The visible parts of galaxies contribute about
Q88: Compared to the critical density of matter,
Q89: Measuring the amount of deuterium in the
Q90: The gravitational lens effect has been verified
Q91: Which galaxy rotation curve, based on hydrogen
Q92: Changing minds: From the time the idea