Multiple Choice
In terms of the evolutionary life of a star, at what stage is the Crab Nebula?
A) middle-age: main-sequence star, relatively near the Sun
B) black hole: very late stage of evolution
C) beginning: nebula in which stars are forming
D) late: it is the remnant of a star explosion or supernova
Correct Answer:

Verified
Correct Answer:
Verified
Q193: Measurements suggest that light first arrived at
Q194: A star at the tip of the
Q195: The event that follows the asymptotic giant
Q196: There is a mass limit for a
Q197: Eta Carina is a<br>A) supernova remnant.<br>B) active
Q199: The source of the beams of electromagnetic
Q200: One distinctive physical characteristic of matter inside
Q201: A planetary nebula is<br>A) a shell of
Q202: What important event was recorded by ancient
Q203: The magnetic fields of planets demonstrate that