Because the Earth, sun and the moon all move at different speeds around the celestial planes, both solar and lunar eclipses show up at various times across locations.
People in Africa and Asia will get the best views of the eclipse, and those in Europe, South America and Australia will see partial views, according to USA Today.
Those on the east coast will not see the Moon leave the shadow but people living further west should see almost all of the lunar eclipse.
Although U.S. residents won't be able to see the eclipse, they should still be excited because the Lunar Reconnaissance Orbiter - NASA's robotic spacecraft orbiting the moon - will experience it first-hand, Petro said. And on July 31, the Red Planet will be the closest to Earth that it's been since 2003.
The eclipse on Friday is set to be the longest of the 21st Century, as the full moon happens to coincide next month with the point at which the moon's orbit is furthest away from the earth, so it will take longer to pass through the earth's shadow.
However, during a lunar eclipse the glow from the moon is not almost as strong.
This eclipse will be the second total lunar eclipse in 2018, after the one in January.
After this, a partial lunar eclipse will take a bite out of the moon on the night of July 16 to July 17, 2019. The total lunar eclipse will last almost 103 minutes, which makes it the century's longest.
As for a solar eclipse, you've got a longer wait.
When is the next lunar eclipse over the UK?
The next total lunar eclipse visible in the US will be on January 21, 2019, according to NASA, and will occur during a super moon.
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