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Penumbral lunar eclipse visible in Vietnam

In Uncategorized on December 19, 2010 at 8:26 am




Penumbral lunar eclipse visible in Vietnam


QĐND – Saturday, December 18, 2010, 22:18 (GMT+7)

It will happen in Vietnam on December 21 from 5.30pm to 6pm before the total lunar eclipse ends.


On the same day, North America and part of South America, Central Europe, and East Africa can watch the total lunar eclipse while East Asia will only witness partial eclipse.


A penumbral eclipse occurs when the Moon passes through the Earth’s penumbra. The penumbra causes a subtle darkening of the Moon’s surface. A special type of penumbral eclipse is a total penumbral eclipse, during which the Moon lies exclusively within the Earth’s penumbra. Total penumbral eclipses are rare, and when these occur, that portion of the Moon which is closest to the umbra can appear somewhat darker than the rest of the Moon.


It is difficult to watch an eclipse in Vietnam because it occurs when the Moon begins rising.


Dang Vu Tuan Son, Chairman of the Vietnam Amateur Astronomy Club, said penumbral lunar eclipse can be observed by eyes but it will be more beautiful when watched through binoculars, astronomical telescopes or cameras. It occurs within a short time and is difficult to watch in the inner city because of the city lights.


Source: VOV


Source: QDND

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