Astronomy Chp 1
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| What is retrograde motion? | Occasional east to west motion of the planets relative to the stars
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| Which phase of the Moon do you expect to see setting at sunset? | new moon
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| When does the full Moon phase occur? | When the Earth is between the Sun and the Moon
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| When does the new Moon phase occur? | When the Moon is between the Earth and the Sun
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| Which phase of the Moon do you expect to see high in the sky at midnight? | full moon
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| Which phase of the Moon do you expect to see rising at dawn? | Waning crescent
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| During which phase of the Moon do you expect to observe a lunar eclipse? | full moon
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| During which phase of the Moon do you expect to observe a solar eclipse? | new moon
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| When would you expect to see the Moon near the North Star? | never
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| As you are sailing in the open ocean, you observe that the North Star appears lower in the horizon every night. In which direction are you traveling? | south
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| Which of the following would you expect to observe during the December solstice in Australia? | none of the above
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| What is Kepler's second law focus on? | the orbital speed of a planet varies
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| What does Kepler's third law focus on? | the time to orbit the sun is related to its orbit's size
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| What is the Astromical Unit | The average distance from the Earth to the Sun
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| Why does Haley's comet come closer to the sun that the earth | its orbit is very elongated
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| Relative to the stars, the Moon moves from _____ to ______. | west, east
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| In the _________ models, the Sun is assumed as the center of the solar system. | Heliocentric
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| Galileo was the first to observe the phases of _____. | Venus
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| In Copernicus’ model of the solar system, the planets orbited the _____ in ______ orbits. | Sun, circular
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| ______ major contribution to astronomy is his extensive series of measurements of planetary positions. | Tycho Brahe’s
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| What does Kepler's first law focus on? | elliptical orbit of the planets with the Sun as the focus
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| Which term is used for Ptolemy | Epicycle
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| Which term is used for Eratosthenes? | Circumference of the Earth
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| Which term is used for Aristotle | Spherical Earth
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| Which term is used for Aristarchus? | Heliocentric
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| Which term matches best with Copernicus? | Heliocentric
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| Which term matches best with Tycho Brahe? | Records of planetary positions
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| Which term matches best with Galileo? | Moons of Jupiter
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| A solar eclipse occurs during ___________. | a new Moon
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| A lunar eclipse occurs during ___________. | a full Moon
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| The solstice occurs during ___________. | the winter
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| An equinox occurs during ___________. | the spring
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| Which planet’s orbital period is approximately 30 Earth years (within 10% or better)? Jupiter, Mars, Mercury, Saturn, no Planet to match | Saturn
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| Which planet’s orbital period is approximately 0.1 Earth years (within 10% or better)? Jupiter, Mars, Mercury, Saturn, no Planet to match | No planet to match
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| Which of Kepler's laws predicts the retrograde motion of planets? | 3rd law
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| Do Keplers laws predict that a planet running a lap in the outer land of a track takes longer? | no
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| What is the ecliptic | The extension of the Earth’s path on the celestial sphere
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