Physics, 25.04.2020 03:05 granthazenp5e9mj
The star P Cygni (in the constellation Cygnus, the Swan) is surrounded by an extensive low-density atmosphere. It has a bright, continuous spectrum with many narrow, dark absorption lines and a few bright emission lines. The bright, continuous part of the spectrum is produced by:.
a) all parts of the star, the stellar surface and the atmosphere, equally.
b) only the part of the low-density atmosphere that is between us and the surface of the star.
c) the hot, dense, opaque gas of the star's surface.
d) the hot, low-density atmosphere of the star emitting light in all directions.
Answers: 3
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The star P Cygni (in the constellation Cygnus, the Swan) is surrounded by an extensive low-density a...
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