What Is a Leap Year?

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A short animated video from Epipheo Studios explains the astronomy behind leap years, their basis in the Gregorian Calendar, and where we'll be two billion years from now. Happy Leap Day! 

For more videos by Epipheo Studios, visit http://www.epipheostudios.com/.

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Kasia Cieplak-Mayr von Baldegg is the executive producer for video at The AtlanticMore

Cieplak-Mayr von Baldegg joined The Atlantic in 2011 to launch its video channel and, in 2013, create its in-house video production department. She leads the development and production of original documentaries, interviews, and other video content for The Atlantic. Previously, she worked as a producer at Al Gore’s Current TV and as a content strategist and documentary producer in San Francisco. She studied filmmaking and digital media at Harvard University.
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