Lunar eclipse
= Lunar eclipse
{wiki=Lunar_eclipse}
A lunar eclipse occurs when the Earth comes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon. This can happen only during a full moon when the Sun, Earth, and Moon are aligned in a straight line or very close to it. There are three main types of lunar eclipses: 1. **Total Lunar Eclipse**: This occurs when the Earth’s umbra (the darkest part of its shadow) completely covers the Moon.