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Astronomy Chp 8
Astronomy - Terrestrial Planets
| Question | Answer |
|---|---|
| most similar surface to Mercury: mars, moon, jupiter, venus, earth | moon |
| origin of the scarps on Mercury’s surface | formed as the planet cooled and the surface shrunk |
| Venus appears very bright because | it is covered by a thick layer of clouds |
| describe the surface of Venus | covered by lava flows |
| why are there extreme seasonal variation on Mars | Mars has a thinner atmosphere |
| what evidence supports that cycles of ice-agaes have occurred on Mars | layered structure of the north polar cap of Mar |
| 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 |
| What is the composition of the clouds in the Martian atmosphere | Ices of carbon dioxide and water |
| Which of the terrestrial planets has the most natural satellites (moons)? | Mars |
| Which of the terrestrial planets have the most similar atmospheric compositions: Venus/Mars, Earth/Venus, Jupiter/Saturn, Mercury/Mars, Mercury/Moon | Venus and Mars |
| Which of the terrestrial planets is closest in size to the Earth? | Venus |
| ______ is the smallest of the terrestrial planets. | Mercury |
| ______ is the largest of the terrestrial planets. | Mercury |
| ______ is the largest of the terrestrial planets. | Earth |
| The atmosphere of Venus consists mainly of ______. | carbon dioxide |
| The clouds of Venus consist mainly of ______. | sulfuric acid |
| The surface of Venus is dominated by _____. | recent lava flows |
| The atmosphere of Mars consists mainly of ______. | carbon dioxide |
| Mercury’s ________, therefore the planet does not have seasons | axial tilt is zero |
| Of all the terrestrial planets, ______ has the longest solar day. | mercury |
| Of all the terrestrial planets, ______ has the largest daily temperature variation. | mercury |
| Of all the terrestrial planets, ______ has the highest surface barometric pressure. | venus |
| Which planet is characterized as having retrograde spin? | venus |
| Which planet is characterized as having the longest orbital period? | mars |
| Which planet is characterized as having the thickest atmosphere? | venus |
| Which planet is characterized as having the smallest axial tilt? | mercury |
| Which planet is characterized as being the most cratered? | mercury |
| Which planet is characterized as having the smallest size? | mercury |
| The Caloris Basin is found on ___________. | mercury |
| Weird terrain is found on ___________. | mercury |
| Long scarps are found on ___________. | mercury |
| Ishtar highlands are found on ___________. | venus |
| Maxwell Montes is found on ___________. | venus |
| Valles Marineris is found on ___________. | mars |
| This planet has the slowest spin. | venus |
| This planet has the longest solar day. | mercury |
| This planet has the shortest orbital period. | mercury |
| This planet has the highest iron composition. | mercury |
| This planet has the highest average density. | earth |
| This planet has dense cloud cover. | venus |
| highest surface temp | venus |
| lowest surface temp | mercury |
| youngest surface | venus |
| largest polar ice caps | mars |
| tallest mountain | mars |
Created by:
edeboo
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