Correct Answers || ||
What lies in the center of the galaxy?
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a. a void, like the eye of a hurricane
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b. the oldest stars in the galaxy
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c. a supermassive black hole
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d. the home world of our galactic empire - CORRECT
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ANSWER(S)✔✔c. a supermassive black hole || || || ||
Which of the following statements about the solar system
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are correct?
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a. It formed 4.6 billion years ago.
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b. At least one of the giant planets are formed of rock and
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metal like terrestrial planets.
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c. The orbits of the major planets range from circular to
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highly elliptical. ||
d. All of the above are true. - CORRECT ANSWER(S)✔✔a. It
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formed 4.6 billion years ago.
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About what percentage of the Solar System's mass is
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contained in the Sun? || || ||
a. 50%
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,b. 70%
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c. 85%
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d. 99.9% - CORRECT ANSWER(S)✔✔d. 99.9%
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Which of the statements is true?
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a. An astronomical unit (AU) is the distance from the
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Earth to the sun. || || ||
b. Jupiter is about 5 AU from the Sun.
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c. With a few exceptions, the farther a planet or belt is
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from the Sun, the larger the distance between its orbit
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and the orbit of the next nearer object to the sun.
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d. All of the above - CORRECT ANSWER(S)✔✔d. All of the
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above
What is a terrestrial planet?
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a. A planet composed mainly of hydrogen and helium gas.
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b. A planet composed mainly of ices.
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c. A planet composed primarily of silicate rocks or metals.
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d. A planet that has not cleared its orbit of other objects. -
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CORRECT ANSWER(S)✔✔c. A planet composed primarily
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of silicate rocks or metals.
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What is a gas giant?|| || || ||
a. A planet composed mainly of hydrogen and helium gas.
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, b. A planet composed mainly of ices.
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c. A planet composed primarily of silicate rocks or metals.
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d. A planet that has not cleared its orbit of other objects. -
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CORRECT ANSWER(S)✔✔a. A planet composed mainly of
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hydrogen and helium gas. || || ||
In planetary science, what does the term ice refer to?
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a. Compounds with hydrogen
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b. Volatile chemical compounds with freezing points
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above 100k, such as water, ammonia or methane.
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c. Any compound below its freezing temperatures
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d. Compounds that are transparent to visible light. -
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CORRECT ANSWER(S)✔✔b. Volatile chemical compounds
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with freezing points above 100k, such as water, ammonia
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or methane.
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Which of the following is not a true statement about the
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asteroid belt? ||
a. The asteroid belt occupies the orbit between Mars and
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Jupiter.
b. It formed from the breakup of a planet.
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c. The total mass of the asteroid belt is unlikely to be
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more than a thousandth of that of the Earth.
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d. All of the above is true. - CORRECT ANSWER(S)✔✔b. It
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formed from the breakup of a planet.
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