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Astronomy The Solar System

Physics & Astronomy

Quiz 15 :

The Interstellar Medium and Star Formation

Quiz 15 :

The Interstellar Medium and Star Formation

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Interstellar extinction refers to
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B

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The lowest-density gas in the interstellar medium is also the
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C

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In the interstellar medium, molecules survive in regions with
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C

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The interstellar medium is divided into three different kinds of gas clouds.These are
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The figure below shows the spectrum of a star as it was emitted the star (right), and the spectrum after the light from this star has passed through a cloud of interstellar dust.After the star's light has passed through the dust, the star appears img
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If you wanted to observe heavy elements in the interstellar medium, where would be the best place to look?
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Molecular hydrogen atoms can be found
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Warm ionized gas in the interstellar medium appears ________ when imaged in the optical region of the electromagnetic spectrum.
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What is the most likely explanation for the dark area in the figure shown below? img
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When looking at the space between stars, what are you most likely to see?
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A typical molecular cloud has a temperature of approximately
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Sitting in a hot tub with water at 100°F feels much hotter than standing outside in 100°F air on a hot day.This analogy illustrates why
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Dust reddens starlight because it
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The average density of the interstellar medium is
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Which of the following is responsible for heating the bulk of the bubbles of very hot intercloud gas?
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Interstellar clouds are
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When radiation from an object passes through the interstellar medium,
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The average density of the interstellar medium is
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Dust in the ISM appears dark in ________ wavelengths and bright in ________ wavelengths.
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The coldest molecular clouds in our galaxy have temperatures of approximately
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