Search results
Results From The WOW.Com Content Network
A penumbral lunar eclipse occurs when the Sun, Earth, and the Moon are imperfectly aligned. When this happens, the Earth blocks some of the Sun's light from directly reaching the Moon's surface and covers all or part of the Moon with the outer part of its shadow.
In a total eclipse of the moon, the inner part of Earth’s shadow, called the umbra, falls on the moon’s face. Then at mid-eclipse, the entire moon is in shadow, which may appear blood red ...
Penumbral lunar eclipse when the outer, more diffuse part of the Earth's shadow—known as the "penumbra"—falls onto the face of the moon that we can see....
The penumbra is a half-shadow that occurs when a light source is only partly covered by an object—for example, when the Moon obscures part of the Sun's disk. The other 2 areas are: Umbra – the shadow's dark center portion. Antumbra – the lighter part of the shadow that begins where the umbra tapers to a point.
A penumbral lunar eclipse happens when the Moon passes through Earth's penumbra, the lighter, outer part of its shadow. This causes only a subtle dimming, which can be hard to notice without proper attention and equipment.
The diagram below shows different types of lunar eclipses. It all depends on the path taken by the Moon as it passes through Earth’s shadow. If the Moon passes through the outer circle but does not reach the inner circle, it is a penumbral eclipse. See credit.
What is a lunar eclipse? A lunar eclipse occurs when the Sun, Earth, and Moon align so that the Moon passes into Earth’s shadow. In a total lunar eclipse, the entire Moon falls within the darkest part of Earth’s shadow, called the umbra. When the Moon is within the umbra, it will turn a reddish hue.