Multiple Choice
How would astronomers describe the antiparticle of an electron?
A) It would have the same mass but opposite charge.
B) It would have the same charge but opposite spin.
C) It would have the opposite charge and higher mass.
D) It would have the opposite spin and higher mass.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: What can solve the flatness and horizon
Q8: Describe the four fundamental forces of nature
Q34: The four fundamental forces of nature are
Q38: What is the "flatness problem" in cosmology?
Q43: The theory of inflation assumes that at
Q45: By the time the universe was 5
Q47: Observations of Type I supernovae in distant
Q52: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4068/.jpg" alt="If today
Q53: In some particle physics theories,the universe must
Q89: The ratio of the average density in