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13 Cards in this Set
- Front
- Back
AXIS |
an imaginary axle that a planet spins on
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EQUATOR |
the imaginary circle around Earth or a celestial object that is everywhere the same distance from thepoles |
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HORIZON |
the imaginary line where the sky meets Earth or the ocean |
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LATITUDE |
the angular distance north or south from Earth’s equator |
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LINE OF SIGHT |
the straight, unimpeded path taken by light from an object to an eye |
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LONGITUDE |
the distance measured on Earth's surface east or west of the prime meridian |
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NORTH STAR |
the reference star pointed to by Earth’s North Pole |
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ORBIT |
the path and length of time one object takes to travel around another object |
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REVOLUTION |
traveling around something |
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ROTATION |
spinning on an axis |
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EQUINOX |
a day of the year when the Sun’s rays shine straight down on the equator |
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SEASON |
a period of the year identified by changes in hours of daylight and weather |
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SOLSTICE |
a day of the year when Earth’s North Pole is leaning either toward the Sun or away from the Sun |