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23 Cards in this Set
- Front
- Back
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rotation |
earth around its axis |
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orbit |
curved path |
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revolution |
earth around the sun |
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lunar highlands |
areas of the moon |
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maria |
dark regions of the moon |
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eclipse |
moons shadow travels across parts of earth |
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tides |
effect of the moons gravity |
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solar system |
made up of eight planets and other objects |
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astronomical unit |
equals 150 million km |
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comet |
large body of ice and rock |
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meteorites |
any fragments from space |
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constellations |
groups of stars |
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supernova |
exploding star |
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galaxy |
goup of stars,gas, and dust. |
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light year |
is the distance light travels. |
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gravity |
two massive bodies |
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lunar |
having to do with our moon |
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lunar cycle |
the orbit of the moon around the earth |
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mean low water |
on a tide chart or graph |
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minus tides |
a strong low tide |
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moons phases |
positions of the moon |
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spring tides |
a period of strong tides |
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neap tides |
a period of weak tides |
