Hypothetical "Planet Nine"
2016-12-19 - This is an artistic rendering of "Planet Nine," which is thought to be similar to Neptune and Uranus and be located in the outer solar system. (Credit: Caltech/R. Hurt (IPAC))
File size: 0.83 MB
Image size: 4800 x 2859 pixels
Resolution: 72 dpi
Image date: January 20, 2016
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