Eclipse during which the Moon enters Earth’s umbra shadow in part or in full.
Light source eclipsed by Earth.
Elliptical path of the Moon revolving around Earth under the effect of gravitation.
Elliptical path of Earth revolving around the Sun under the effect of gravitation.
When the Moon is completely in this region, the Sun’s light no longer reaches it; the eclipse is therefore total.
Natural satellite of Earth.
When the Moon enters this region, it slowly ceases to be illuminated by the Sun.
Our planet, by coming between the Sun and the Moon, gives rise to lunar eclipses.