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