Moon Phases

Moon Phases

the different phases a moon takes in form

Rotation

spinning around an axis

Revolution

a full completed orbit

Lunar Calendar

the calendar that tracks the moon phases

Moon’s Orbit - 5 degree hilt

the degree at which the moon orbits

Solar Eclipse

when the moon blocks the sun’s light

Lunar Eclipse

when the Earth blocks the sun’s light

Earth’s Atmosphere

the 5 layered atmosphere that allows us to live

Umbra

the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.

Penumbra

the partially shaded outer region of the shadow cast by an opaque object.

Waxing

(of the moon between new and full) have a progressively larger part of its visible surface illuminated, increasing its apparent size.

Waning

(of the moon) have a progressively smaller part of its visible surface illuminated, so that it appears to decrease in size.

Gibbous

(of the moon) having the observable illuminated part greater than a semicircle and less than a circle.

Crescent

the curved sickle shape of the waxing or waning moon.

New Moon

the start of the lunar calendar, 0% of the moon is luminated

Full Moon

when 100% of the moon is luminated

1st Quarter Moon

right 50% of moon is luminated

3rd Quarter Moon

left 50% of moon is luminated

Ray

a beam of light

Crater

a divot caused by an meteoroid

Maria

large, dark, basaltic plains formed by ancient lava flows that filled impact basins, and are visible to the naked eye as dark areas. 

Meteoroid

a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.