Quiz: Lunar Eclipse 2019


SYDNEY, AUSTRALIA – JULY 28: The moon is seen turning red over the Sydney skyline during a total lunar eclipse on July 28, 2018 in Sydney, Australia. The lunar eclipse was the longest of the 21st century lasting 1 hour and 43 minutes. (Photo by Cameron Spencer/Getty Images)

According to NASA, the only total lunar eclipse of 2019 will happen on the evening of Jan. 20, which is Sunday. How much do you know about lunar eclipses? Take our quiz and test your knowledge. 

(App users click here to take quiz)

Information from NASA

At 7:36 p.m. on January 20, the edge of the Moon will begin entering the penumbra. The Moon will dim very slightly for the next 57 minutes as it moves deeper into the penumbra. Because this part of Earth’s shadow is not fully dark, you may notice only some dim shading (if anything at all) on the Moon near the end of this part of the eclipse.

At 8:33 p.m., the edge of the Moon will begin entering the umbra. As the Moon moves into the darker shadow, significant darkening of the Moon will be noticeable. Some say that during this part of the eclipse, the Moon looks as if it has had a bite taken out of it. That “bite” gets bigger and bigger as the Moon moves deeper into the shadow.

At 9:41 p.m., the Moon will be completely inside the umbra, marking the beginning of the total lunar eclipse. The moment of greatest eclipse, when the Moon is halfway through the umbra, occurs at 10:12 p.m.

At 10:43 p.m., the edge of the Moon will begin exiting the umbra and moving into the opposite side of the penumbra. This marks the end of the total lunar eclipse.

At 11:50 p.m., the Moon will be completely outside the umbra. It will continue moving out of the penumbra until the eclipse ends at 12:48 a.m. (Jan. 21). 

(App users click here to view NASA | Understanding Lunar Eclipses video)

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