The date showed in the table is the time for the " moon enters umbra " or the " moon enters penumbra " 如属月全食或月偏食，标明时间为初亏至复圆如属半影月食，标明时间为半影食始至半影食终
When you are in the umbra , the sun is totally blocked by the earth . if you are in penumbra , the sun is only partially blocked 在本影中，太阳会被地球完全遮掩在半影中，太阳则只会被部分遮盖。
By studying the realms of the umbra , they learn to understand great secrets , increasing their mystical understanding or gnosis 通过了解影界世界，他们探寻那些大秘密、扩大对神秘世界的了解、增进灵知的力量。
Its brightness varies for different total eclipses depending on the geometry of the moon s path through the umbra and also on the earth s atmospheric conditions 视乎月球经过本影的路径及当时地球的大气情况，光度在不同的月全食会有所不同。
Its brightness varies for different total eclipses depending on the geometry of the moon s path through the umbra and also on the earth s atmospheric conditions 视乎月球经过本影的路径及当时地球的大气情况，光度在不同的月全食会有所不同。
" total eclipse begins " - when the moon touches the umbra internally , at this time , the moon is totally immersed in the umbra and total eclipse starts 当月球和本影内切时称为食既，这时月球全部进入本影，全食开始月球中心和地影中心距离最近时称为食甚
As the size of the umbra of the earth is much larger than the moon , the moon is always totally inside the earth s shadow during total lunar eclipse 由于地球的本影比月球大得多，因此在月全食时，月球会完全进入地球的本影区内，绝不会出现月环食这种现象。
" total eclipse begins " - when the moon touches the umbra internally , at this time , the moon is totally immersed in the umbra and total eclipse starts 月球同本影接触时称为初亏，这时月偏食开始当月球和本影内切时称为食既，这时月球全部进入本影，全食开始
The so - called " penumbral eclipse " means that the moon only passes through the penumbra partial shadow of the earth s shadow without entering the umbra total shadow 所谓半影月食，指月亮只会进入地球的半影，而不会进入本影。因此，月亮的光度只会略为转暗。
The so - called " penumbral eclipse " means that the moon only passes through the penumbra ( partial shadow ) of the earth s shadow without entering the umbra ( total shadow ) 所谓半影月食，指月亮只会进入地球的半影，而不会进入本影。因此，月亮的光度只会略为转暗。
