| Term | Definition |
|
Axis |
imaginary line goes through earth north pole to south pole |
|
orbit |
path a body follows as it revolves around another body |
|
revolution |
the movment of a body in space around another |
|
rotation |
thew spinning of earth on its axis |
|
horizon |
the line where earth meets the sky |
|
perhelion |
the closet point of earths orbit around the sun |
|
aphelion |
the farthest piont of earths orbit away from the sun |
|
zenith |
when the sun is in the highest piont in th sky the most direct rays hit earth |
|
solstice |
when the noon sun is directly over head at latitude 23degreesN or latitude 23degrees S |
|
equinox |
when the noon sun is directly over the equator |
|
vernal equinox |
first day of spring in NH |
|
summer solstice |
first day of summer in NH |
|
winter solstice |
first day of winter in NH |
|
autumnal equinox |
first day of fall in NH |
| Add or remove terms from this set |