Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are
A) sharper.
B) broader.
C) weaker.
D) stronger.
E) broader and weaker.
Correct Answer:
Verified
Q57: Stars in the upper right part of
Q58: Table 8-2 Q59: The absorption lines in the visible portion Q60: The star HR 4621 has an apparent Q61: Two stars of the same spectral class Q63: The two stars near one another are Q64: Binary (double) stars can be detected by Q65: The absorption lines in the infrared portion Q66: We know that the numbers of stars Q67: Spectroscopic and eclipse duration observations of an
A)being
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