A total lunar eclipse will take place this Sunday, but NASA is expecting a shorter occurrence that won’t be nearly as amazing.
The International Dark Sky Association (IDA) has deemed Sunday the International Dark Sky Day to show people the benefits of turning down your lights at night. The partial lunar eclipse will last for one hour and 38 minutes, NASA says.
It’ll happen only starting at 2:27 p.m. EDT.
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The moon will be in the Earth’s shadow, which is called Earth’s shadow. When the moon is completely in Earth’s shadow, it appears completely dark. For this event, NASA recommends no sunscreen and using caution around the moon.
This is the last of a series of events this month that will provide such a spectacle, according to NASA:
A total lunar eclipse will take place on April 14.
According to the IDA, as the moon enters the Earth’s shadow, it will be at a much lower altitude so sunlight reflected from the night sky will be dimmer than normal. This will reduce the moon’s brightness even more.
At the same time, the Earth’s atmosphere will intensify the surface brightness.
“The combination of the two effects result in the moon not being completely seen as a blue disk by skywatchers,” NASA says.
Related: 3 reasons why it’s nearly impossible to see a total lunar eclipse
This is also when the “super blue blood moon” will take place. According to NASA, the sun, Earth and moon will line up very precisely, creating a second total lunar eclipse on the same day. The combination of the planets’ lines will be very strange, bringing in blood moon and a “supermoon.”
On July 21, 2018, there will be a supermoon and a blue moon combined into one lunar eclipse. That lunar eclipse will be the longest in almost 600 years.
Originally published on AskMen.