Tumble Science Podcast for Kids
The Secret of Dark Energy with Jeff Silverman
Nov 16, 2015 · 11 min
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No one knows what dark energy is or why it exists. So how did astronomers discover the mysterious force that's pulling the universe apart? Astronomer Jeff Silverman explains one of the universe's biggest mysteries. Learn more at www.tumblepodcast.com! Subscribe on iTunes and leave us a review. Music by Noveller and YACHT, courtesy of the Free Music Archive.

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