Planetary Nebula Glows Like a Blue Space Bubble (Photo)

Wednesday, September 25, 2013 - 11:01 in Astronomy & Space

Astrophotographer Bob Franke captured this stunning image of planetary nebula Abell 39 6,800 light-years away from Earth. See how Franke made the image, and how planetary nebulas were named, despite not having any planets.

Read the whole article on Space.com

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