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9 Cards in this Set
- Front
- Back
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Describe the shape of every planet's orbit |
Ellipitical (ellipse) |
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Explain how the planets continue to revolve around the sun without flying off in a strait line |
The grivitational pull of the sun allows for the plantes to revolve |
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What is the purpose of using (AU) astronomical units |
To make it easier for astronamers to measure the average distance from the sun to earth |
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Explain y a planet would have a greenhouse effect |
The planets atmosphere drops solar energy and causes surface temp to increase |
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List the common traits of the inner planets |
Closest to the sun Made of rock and metal Solid outer layers |
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What are the names of all the planets in order |
Mercury, venus, earth, mars, jupitar, saturn, uranus, neptune, pluto |
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Explain y venus's day would be longer than its year |
Rotates so slowly that the day is longer than its year day224 earth days year225 earth days |
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Which of the following would be best for a scientists to use when measuring distances from our solar system to a new one |
AU Much easeir numbers to manage |
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Describe how the inner and outter planets differ |
Inner:closest to the sun, smaller, solid outer layer, made of rock and metal Outer: primarly hydrogen and helluim, strong gravitational pull, larger, gas giants, solid core, liquid gas layer. |
