Eclipses

Solar Eclipse picture

Lunar Eclipse picture

Annular Eclipse picture

Solar Eclipse diagram

Lunar Eclipse diagram

Annular Eclipse diagram

Umbra

The darkest part of a shadow

Penumbra

The lighter part of a shadow where light is partially blocked

Solar Eclipse

Occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth

Lunar Eclipse

the blocking of sunlight to the moon that occurs when Earth is directly between the sun and the moon

Annular Eclipse

an eclipse of the sun in which the edge of the sun remains visible as a bright ring around the moon.

Why don't we have an eclipse every month?

The moons plane of orbit is tilted (about 5 degrees)

What phase of the moon is it during a lunar eclipse?

Full Moon

What phase of the moon is it during a solar eclipse?

New Moon