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Exam 12: The Interstellar Medium: Star Formation in the Milky Way

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Exam 1: Charting the Heavens: the Foundations of Astronomy108 Questionsadd course
Exam 2: The Copernican Revolution: the Birth of Modern Science68 Questionsadd course
Exam 3: Light and Matter: the Inner Workings of the Cosmos112 Questionsadd course
Exam 4: Telescopes: the Tools of Astronomy99 Questionsadd course
Exam 5: The Solar System: Interplanetary Matter and the Birth of the Planets148 Questionsadd course
Exam 6: Earth and Its Moon: Our Cosmic Backyard149 Questionsadd course
Exam 7: The Terrestrial Planets: a Study in Contrasts132 Questionsadd course
Exam 8: The Jovian Planets: Giants of the Solar System123 Questionsadd course
Exam 9: Moons, Rings, and Plutoids: Small Worlds Among Giants161 Questionsadd course
Exam 10: The Sun: Our Parent Star124 Questionsadd course
Exam 11: Measuring the Stars: Giants, Dwarfs, and the Main Sequence154 Questionsadd course
Exam 12: The Interstellar Medium: Star Formation in the Milky Way128 Questionsadd course
Exam 13: Stellar Evolution: the Lives and Deaths of Stars167 Questionsadd course
Exam 14: Neutron Stars and Black Holes: Strange States of Matter131 Questionsadd course
Exam 15: The Milky Way Galaxy: a Spiral in Space166 Questionsadd course
Exam 16: Normal and Active Galaxies: Building Blocks of the Universe175 Questionsadd course
Exam 17: Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos119 Questionsadd course
Exam 18: Cosmology: the Big Bang and the Fate of the Universe150 Questionsadd course
Exam 19: Life in the Universe: Are We Alone114 Questionsadd course
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We usually find dark molecular clouds beside bright emission nebulae.

(True/False)
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Question 121

A region of ionized gas and dust, with imbedded hot young stars, is a(n)

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Question 122

21- cm radiation is a result of an electron in hydrogen flipping its spin direction.

(True/False)
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Question 123

Compared to an open cluster, a globular cluster will have more hot, blue stars.

(True/False)
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Question 124

Why does a reflection nebula look blue?

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Question 125

The gas in the interstellar medium consists of mostly heavy elements.

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Question 126

What is the temperature of the gas in the dark dust clouds, and why is this important to molecule formation?

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Question 127

The gas in an HII region is hydrogen.

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Question 128
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