Exam 15: The Nature of the Solar System

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Epicycles are a feature of the modern conception of a heliocentric solar system.

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  Examine the figure. Which of the lettered locations show the anorthosite-rich lunar highlands? Examine the figure. Which of the lettered locations show the anorthosite-rich lunar highlands?

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The ________ motion of some of Jupiter's moons indicates that they were likely captured due to the planet's immense gravity.

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retrograde

________ are small, extraterrestrial particles that glow brightly and burn up as they travel through Earth's atmosphere.

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Identify the small solar system body with its name. Identify the small solar system body with its name.

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How many astronomical units of distance lie between Earth and the Sun?

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Neptune is the first planet beyond the Asteroid Belt, with Jupiter, Saturn, and Uranus following beyond that, each further away from the Sun.

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Surrounding a comet's nucleus is the broad, glowing area called the ________.

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Match the scientist with their major astronomical discoveries. Some scientists will have more than one discovery to their name
Planets are circular disks rather than just points of light
Nicolaus Copernicus
Stellar parallax should show if Earth shifts position over time.
Johannes Kepler
Every body in the universe attracts every other body with a force that is directly proportional to their masses and inversely proportional to the square of the distance between them: the first formulation of the law of universal gravitation.
Sir Isaac Newton
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Planets are circular disks rather than just points of light
Nicolaus Copernicus
Stellar parallax should show if Earth shifts position over time.
Johannes Kepler
Every body in the universe attracts every other body with a force that is directly proportional to their masses and inversely proportional to the square of the distance between them: the first formulation of the law of universal gravitation.
Sir Isaac Newton
The Sun is at the center of the solar system, and Earth is just another planet.
Galileo Galilei
The orbits of the planets are elliptical, and the speed of motion changes when the planets are closer to the Sun (faster) or further away (slower).
Tycho Brahe
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Identify the small solar system body with its name. Identify the small solar system body with its name.

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The ________ theory describes how the solar system formed from a huge cloud of gases and small particles produced by an exploding, high-density star.

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Why are meteorites a possible source of information regarding the origin and composition of Earth?

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Which of the following is NOT a dwarf planet?

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Meteorites disintegrate and burn up as shooting stars; meteoroids survive an impact event and a trip through Earth's atmosphere.

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   All else being equal, which of these three asteroid-asteroid situations is most likely to result in a collision? Explain. All else being equal, which of these three asteroid-asteroid situations is most likely to result in a collision? Explain.

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Carbon dioxide is the major gas in the atmosphere of Venus.

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Which of the following shows the correct order of formation according to the nebular theory?

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   The situation depicted in part A of this figure will have the greatest ________ between the two asteroids. The situation depicted in part A of this figure will have the greatest ________ between the two asteroids.

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Of the other seven planets in our solar system, which is most likely to host Earth-like life? Explain.

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Identify the small solar system body with its name. Identify the small solar system body with its name.

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