Multiple Choice
What is the modern explanation for "guest stars" that appear in the night sky and then disappear?
A) comets passing close to Earth
B) unusually bright planets produced when they pass closest to earth
C) alignments of stars that make them suddenly appear bright
D) stars that go nova or supernova and appear as bright objects during the event and then go away
Correct Answer:
Verified
Correct Answer:
Verified
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