The world’s last total solar eclipse happened in August 2017. Millions of Americans stopped what they were doing to observe the eclipse, which passed over parts of the whole United States.
A total solar eclipse happens when the sun, moon and Earth perfectly line up. The next total solar eclipse will happen on July 2.
However, the total eclipse can only be seen in a few places in the world. This year, the path of totality will pass over areas of Chile and Argentina. The U.S. space agency NASA says the sun will be completely hidden by the moon for up to four minutes and 33 seconds during this eclipse.
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