Multiple Choice
What is true about muons?
A) They are always moving at high speed, so they test relativity.
B) Relativity explains why we can see short-lived muons that are produced high in the atmosphere from cosmic rays.
C) We can see them being deflected from straight lines by the gravity of black holes.
D) They have a mass that does not increase if they are moving fast.
E) They are examples of Hawking radiation from black holes.
Correct Answer:

Verified
Correct Answer:
Verified
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