A total solar eclipse will cross the country Sunday morning, and the National Park Service is issuing an advisory to visitors about it.
A total solar corona is projected to pass across the South and Midwest on Sunday, according to the National Weather Service in Chicago.
A coronal mass ejection will then move through the Earth’s atmosphere and hit the Pacific Ocean.
This will be a partial solar eclipse, meaning the sun will be blocked out, according the National Oceanic and Atmospheric Administration in Washington.
A partial eclipse is one in which the moon will not completely cover the sun.
This partial eclipse has already been seen from Hawaii to the Carolinas, but the National Severe Storms Center in Chicago says the moon is also projected to become a partial coronal loop as it moves across the globe.
This will be the third such eclipse in the United States this year.
The moon will then be fully illuminated as it passes across the sky from South to North and South to East, according NWS.
This is the best time to get a good look at the eclipse.
This partial eclipse will be visible across the United Kingdom, the Netherlands, Germany, Belgium, France, and Spain, according NOAA.
A solar eclipse occurs when the Earth passes through the sun’s corona and is surrounded by a bright disk of charged particles.
This solar eclipse happens about every 11 years.
A coronal ejection occurs when an intense coronal current pushes the sun from one side of the planet to the other, causing the Earth to lose heat and space to expand.
This happens on average about once every 400,000 years.
The U.S. National Weather Services forecast said there are no significant threats to the public, with a slight chance of rain and scattered lightning.
There is also no danger of lightning strikes.
This eclipse is expected to be visible from Chicago through the end of the day, according National Park service spokesman Jeff Tugwell.