Astronomy - Terrestrial Planets
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| most similar surface to Mercury: mars, moon, jupiter, venus, earth | moon
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| origin of the scarps on Mercury’s surface | formed as the planet cooled and the surface shrunk
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| Venus appears very bright because | it is covered by a thick layer of clouds
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| describe the surface of Venus | covered by lava flows
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| why are there extreme seasonal variation on Mars | Mars has a thinner atmosphere
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| what evidence supports that cycles of ice-agaes have occurred on Mars | layered structure of the north polar cap of Mar
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| The clouds of Mars contain frozen water, yet no rainfalls have been detected on Mars. What is the explanation for the lack of rainfall on Mars? | The atmosphere of Mars is very cold and contains very little water
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| What is the composition of the clouds in the Martian atmosphere | Ices of carbon dioxide and water
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| Which of the terrestrial planets has the most natural satellites (moons)? | Mars
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| Which of the terrestrial planets have the most similar atmospheric compositions: Venus/Mars, Earth/Venus, Jupiter/Saturn, Mercury/Mars, Mercury/Moon | Venus and Mars
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| Which of the terrestrial planets is closest in size to the Earth? | Venus
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| ______ is the smallest of the terrestrial planets. | Mercury
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| ______ is the largest of the terrestrial planets. | Mercury
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| ______ is the largest of the terrestrial planets. | Earth
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| The atmosphere of Venus consists mainly of ______. | carbon dioxide
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| The clouds of Venus consist mainly of ______. | sulfuric acid
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| The surface of Venus is dominated by _____. | recent lava flows
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| The atmosphere of Mars consists mainly of ______. | carbon dioxide
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| Mercury’s ________, therefore the planet does not have seasons | axial tilt is zero
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| Of all the terrestrial planets, ______ has the longest solar day. | mercury
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| Of all the terrestrial planets, ______ has the largest daily temperature variation. | mercury
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| Of all the terrestrial planets, ______ has the highest surface barometric pressure. | venus
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| Which planet is characterized as having retrograde spin? | venus
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| Which planet is characterized as having the longest orbital period? | mars
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| Which planet is characterized as having the thickest atmosphere? | venus
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| Which planet is characterized as having the smallest axial tilt? | mercury
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| Which planet is characterized as being the most cratered? | mercury
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| Which planet is characterized as having the smallest size? | mercury
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| The Caloris Basin is found on ___________. | mercury
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| Weird terrain is found on ___________. | mercury
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| Long scarps are found on ___________. | mercury
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| Ishtar highlands are found on ___________. | venus
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| Maxwell Montes is found on ___________. | venus
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| Valles Marineris is found on ___________. | mars
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| This planet has the slowest spin. | venus
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| This planet has the longest solar day. | mercury
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| This planet has the shortest orbital period. | mercury
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| This planet has the highest iron composition. | mercury
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| This planet has the highest average density. | earth
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| This planet has dense cloud cover. | venus
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| highest surface temp | venus
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| lowest surface temp | mercury
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| youngest surface | venus
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| largest polar ice caps | mars
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| tallest mountain | mars
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