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How Many Stars Are There? – It’s Okay to Be Smart

How many stars can our eyes see on a dark night? How many stars can we see with something even more powerful than our eyes? How many stars exist?? And how are grains of sand a part of this?! Joe Hanson and PBS Digital Studio unleash the magic of astronomy in this excellent episode of It’s Okay to Be Smart: How Many Stars Are There?

Watch these videos next: The largest, sharpest image ever taken of the Andromeda Galaxy and The Hubble Ultra Deep Field in 3D.

Then be sure to watch these related vids: How do we study the stars & measure extreme distances in space? What happened to the Milky Way? The Beauty of Space Photography, and the incredible Solar System, Milky Way, Laniakea: Our home supercluster.

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