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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 |