The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is:

Author Question: The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is: (Read 1156 times)

plus1

Hero Member
Posts: 676

on: Aug 28, 2013

The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is:
A) a continuum, strongest in the color red.
B) a few bright lines against a dark background.
C) a few dark line in the continuum.
D) a continuum, but with both bright and dark lines mixed in.
E) not in the visible portion of the spectrum.

notis

Hero Member
Posts: 596

Reply #1 on: Aug 28, 2013

I know the answer! It's B.

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