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| 1.
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What does CME stand for?
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| | A) | Coronal Materials Ejections |
| | B) | Central Mass Ejections |
| | C) | Coronal Mass Ejections |
| | D) | Coronal Mass Emissions |
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| 2.
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The Moon orbits Earth and Earth orbits the Sun. What does the Sun orbit?
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| | A) | It doesn't orbit. |
| | B) | the universe |
| | C) | the solar system |
| | D) | the Milky Way |
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| 3.
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The North Star,___________, is positioned almost directly over the North Pole.
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| | A) | Betelgeuse |
| | B) | Sirius |
| | C) | Orion |
| | D) | Polaris |
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| 4.
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A binary system is composed of ___________ stars.
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| | A) | five |
| | B) | three |
| | C) | four |
| | D) | two |
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| 5.
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Why are circumpolar constellations visible all year long?
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| | A) | because they are the brightest stars |
| | B) | All constellations are visible all year long. |
| | C) | because they are the closest |
| | D) | because they are located directly above the North Pole |
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| 6.
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When a star becomes a supernova its brightness __________.
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| | A) | decreases |
| | B) | increases |
| | C) | doesn't change |
| | D) | vanishes |
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| 7.
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What holds planets, stars, gas, and dust together in a galaxy?
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| | A) | gravity |
| | B) | inertia |
| | C) | friction |
| | D) | forces |
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| 8.
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Particles that escape from the sun's __________ move through space as solar wind.
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| | A) | chromosphere |
| | B) | surface |
| | C) | corona |
| | D) | photosphere |
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| 9.
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Astronomers use a star's __________ to determine how far it is from Earth.
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| | A) | parallax |
| | B) | brightness |
| | C) | parallel |
| | D) | size |
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| 10.
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The __________ __________of a star is a measure of the amount of light it gives off.
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| | A) | apparent magnitude |
| | B) | absolute solitude |
| | C) | apparent strength |
| | D) | absolute magnitude |
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| 11.
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The __________ __________ is a measure of the amount of light received on earth.
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| | A) | absolute magnitude |
| | B) | apparent magnitude |
| | C) | absolute measure |
| | D) | apparent measure |
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| 12.
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Another way to define "nebula" is __________.
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| | A) | dying star |
| | B) | old star |
| | C) | exploding star |
| | D) | young star |
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| 13.
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Prominence, or huge arching columns of gas, are thought to be caused by__________.
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| | A) | the Sun's rotation |
| | B) | the rotation of the galaxy |
| | C) | the magnetic field associated with sunspots |
| | D) | Earth's magnetic field |
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| 14.
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Our sun is considered a star of__________ temperature.
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| | A) | cool |
| | B) | hot |
| | C) | low |
| | D) | medium |
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| 15.
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Which, if any, of the three types of galaxies occur the most often?
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| | A) | elliptical |
| | B) | spiral |
| | C) | They occur in equal amounts. |
| | D) | irregular |
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| 16.
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Circumpolar constellations __________.
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| | A) | are located in a circular constellation. |
| | B) | appear to circle around the North Star as the Earth rotates. |
| | C) | are always located above the North Pole. |
| | D) | never appear around the North Pole. |
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| 17.
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When stars are located closer to one another, their attraction to one another increases due to __________.
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| | A) | their temperature |
| | B) | their weight |
| | C) | their age |
| | D) | gravity |
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| 18.
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Fusion occurs when __________ and __________ combine to make energy.
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| | A) | carbon, oxygen |
| | B) | carbon, helium |
| | C) | hydrogen, oxygen |
| | D) | hydrogen, helium |
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| 19.
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When fusion occurs, the mass lost is converted into __________.
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| | A) | energy |
| | B) | matter |
| | C) | mass |
| | D) | liquid |
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| 20.
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__________ is the process that creates energy in the sun.
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| | A) | Blue shift |
| | B) | Parallax |
| | C) | Fusion |
| | D) | Fission |
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