Lunar eclipses occur when Earth passes between the Sun and Moon, casting a shadow on the lunar surface. These celestial events are safe to view with the naked eye and can be observed from anywhere on Earth's night side.
The Moon passes completely through Earth's umbral shadow, often appearing red or copper-colored due to refracted sunlight through Earth's atmosphere. Also known as a "Blood Moon".
Only a portion of the Moon enters Earth's umbral shadow, creating a dramatic contrast between the shadowed and illuminated parts of the lunar surface.
The Moon passes through Earth's penumbral shadow, causing a subtle darkening that can be difficult to observe. The most common type of lunar eclipse.