Our Sun is __________ as a main-sequence star.
A) halfway through its mature phase
B) just starting its time
C) almost finished with its time
D) in the very young phase
Correct Answer:
Verified
Q22: The surface of the Sun that we
Q24: The radiation emitted by stars, galaxies, and
Q26: The big bang theory is supported by:
A)
Q27: Neutron stars are _.
A) dense stars where
Q28: Red, flame-like jets of gas that rise
Q29: A red giant:
A) has an extremely hot
Q30: A _ is a concentration of billions
Q33: Sunspots are areas:
A) caused by the Sun's
Q34: When hydrogen fusion ends within the core
Q36: Different regions of the Sun have different
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