Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Solar Noon
|
Occurs when the sun is in its highest position of it's arc
|
|
|
Solar Time
|
time kept by the suns location in the sky.
|
|
|
lunar month
|
The 29.5 days from one new moon to the next.
|
|
|
umbra
|
the darkest parts of the earth's and moon's shadows. Where a total lunar eclipse occur
|
|
|
penumbra
|
the lighter part of the earth and moon's shadows
|
|
|
aphelion
|
The point farthest the sun in the orbit of the Earth
|
|
|
perihelion
|
The point nearest the sun in the orbit of the Earth
|
|
|
summer solstice
winter soltice spring equinox fall equinox |
summer-June 22
winter-December 21 spring- March 21 fall- September 22 |
|
|
Tropic of Cancer and Capricorn
|
The most north(cancer) and south(capricorn) of the equator that the sun can shine directly overhead
|
|
|
zenith
|
directly above head
|
|
|
tilt of axis of Earth
|
The Earth's axis is titled 23.5 degrees, the tilt is what causes our seasons.
|
|
|
perigee
|
When the moon is closest to Earth.
|
|
|
apogee
|
When the moon is farthest from Earth.
|
|
|
waxing
|
the moon phase from a new moon to a full moon.
|
|
|
waning
|
the moon phase from the full moon back to a new moon.
|
