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58 Cards in this Set
- Front
- Back
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What is Mercury's closest point to the sun?
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28.6 Million Miles
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What is Mercury's farthest point from the sun?
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43.4 Million Miles
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What is Mercury the God of?
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Commerce, Travel, and Thievery
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Describe Mercury's Atmosphere.
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Very thin.
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Why did Mercury Get it's name?
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Because of how fast it moved across the sky
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Define Scarps.
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Rolling plains and numerous, long cliffs
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What Planet are scarps located on?
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Mercury
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How long is Mercury's rotation?
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59 earth days
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How many satellites does Mercury have?
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none
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How long is Mercury's Revolution?
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88 Earth Days
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What planet is the eighth largest?
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Mercury
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What is the range of temperature on mercury?
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-300 degrees to 800 degrees
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What was the one spacecraft that visited Mercury? How many times did it fly by?
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Mariner 10; It flew by 3 times
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What planet did the Mariner 10 visit?
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Mercury
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How big is the Caloris Basin?
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810 miles in diameter
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What is the Caloris Basin?
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a large crater
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What is the spacecraft that is orbiting Mercury called?
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The Messenger
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What is the Messenger?
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The current spacecraft orbiting Mercury
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What planet is Caloris Basin on?
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Mercury
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What is one of the largest featurs on the surface of Mercury?
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Caloris Basin
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The greenhouse affect can raise Venus' surface temp by....
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400-900 degrees F
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What are the Several layers of clouds around Venus composed of?
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Sulfuric Acid
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Name the two highland areas on Venus.
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Ishtar Terra and Aphrodite Terra
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What are the large shield volcanoes on Venus called?
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Sif Mons
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What planet is Sif Mons associated with?
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Venus
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What are Sif Mons?
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Large shield volcanoes on the surface of Venus
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What is the only feature on Venus named after a man?
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Maxwell Montes
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Who is Maxwell Montes named after?
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James Maxwell
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Maxwell Montes is....?
What planet is it associated with? |
The highest mountain on Venus
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What is the highest mountain on Venus?
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Maxwell Montes
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What direction does the sunrise occur on Venus?
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The West
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What planet has retrograde motion?
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Venus
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How many satelites/moons does Venus have?
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None
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How much more pressure does Venus have than Earth?
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90-100 times
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How many miles thick is Venus' atmosphere?
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30 miles thick
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What is Venus' Revolution?
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225 Earth Days
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What is Venus' Rotation?
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243 Earth Days
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What is the size difference between Venus and Earth?
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Venus is slightly smaller than Earth
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What is a similarity between Venus and Earth?
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Their densities and Chemical compounds are similiar
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Carbon Dioxide makes up what percent of Venus' atmosphere?
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96 percent
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96 percent of Venus' atmospere consist of what?
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Carbon Dioxide
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What is Earth's sister planet?
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Venus
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What feature did the Magellan use to produce detailed maps of Venus' surface?
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Radar
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What planet is the Magellan associated with?
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Venus
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What planet is the Venera 9 associated with?
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Venus
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What planet is Venera 7 associated with?
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Venus
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What planet is Mariner 2 associated with?
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Venus
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What spacecraft brought back the first pictures of Venus' surface?
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Venera 9
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What spacecraft was the first to land on Venus? How long did it survive?
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Venera 7; one hour
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What was the first spacecraft to visit venus?
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Mariner 2
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What is Venus often mistaken as? Why?
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UFO because it appears low on the horizon
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What is the brightness of Venus caused by?
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light-colored, highly reflective clouds that completely surround Venus
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What is Venus' farthest point from the sun?
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68 Million Miles
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What is Venus' closest point to the sun?
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67 million miles
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What is the brightest planet/object in the sky besids the moon and the sun?
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Venus
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Why did Venus get it's name?
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It is glowing and beautiful
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What is Venus the Goddess of?
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Love and Beauty
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What planet is the 6th largest?
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Venus
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