The Longest Day of the Year: The Solstice!

If you live in the Northern Hemisphere, it's almost time for the summer solstice, the longest day of the year! But if all days have 24 hours, what does the 'longest day of the year' really mean? Join Jessi and Squeaks to find out!

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SOURCES:
https://www.scholastic.com/teachers/articles/teaching-content/summer-and-winter-solstices/
https://science.nasa.gov/science-news/science-at-nasa/2000/solstice
http://www.bbc.co.uk/science/0/22956681