Home https://server7.kproxy.com/servlet/redirect.srv/sruj/smyrwpoii/p2/ Science https://server7.kproxy.com/servlet/redirect.srv/sruj/smyrwpoii/p2/ The lunar eclipse comes on Sunday night, although it can be difficult to see

The lunar eclipse comes on Sunday night, although it can be difficult to see

The celestial bodies are lined up for the show this weekend, although clouds over Portland may block it from view.

The lunar eclipse will take place late Sunday night, Monday morning, November 29-30, according to NASA, gradually darkening the moon’s face for more than four hours. This will be the second lunar eclipse seen in Oregon this year, following a previous penumbral eclipse in July.

A lunar eclipse occurs when the Earth̵

7;s shadow falls over the Moon and can only occur on a full moon, when the Sun, Earth and Moon align. A penumbraic eclipse is much finer than a total or even partial eclipse, because only the lighter outer shadow of the Earth (called a penumbra) obscures the moon.

During a lunar eclipse of the moon, the moon gradually becomes a little darker to the maximum eclipse, after which it gradually brightens again. Unlike a total or partial eclipse, the face of the moon will not darken completely and some people may not notice the difference at all.

The eclipse is expected to begin on Sunday at 11:32 p.m., reaching a maximum eclipse at 1:42 p.m. on Saturday and ending at 3:53 p.m., according to timeanddate.com.

Whether we can really see it in the Portland area will depend on the clouds. While the sky should be clear on Sunday during the day, clouds are expected to roll at night, the National Weather Service predicts.

Two more lunar eclipses will be visible in the Pacific Northwest next year. The total lunar eclipse will take place on May 26, 2021 in the wee hours of the morning, and a partial lunar eclipse from 18 to 19 November 2021 will be visible in all Americas.

A solar eclipse always occurs about two weeks before or after a lunar eclipse, said Jim Todd, director of space science education at OMSI, but this time most of the world will miss: The next total solar eclipse will be on December 14, apparently only from Chile and some parts of Argentina. Some regions of South America, Southwest Africa and Antarctica will be able to see a partial solar eclipse.

The Pacific Northwest will not see a new solar eclipse until the annular solar eclipse on October 14, 2023 and the total solar eclipse on April 8, 2024.

– Jamie Hale; jhale@oregonian.com; 503-294-4077; @HaleJamesB

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