Exoplanet 9
Exoplanet 9 This Hubble Space Telescope image blocks the light of star HD 106906 to reveal a distant exoplanet that may be similar to Planet 9, an oddball world hypothesized to exist at the edge of our solar system. NASA, ESA, M. Nguyen (University of California, Berkeley), R. De Rosa (European Southern Observatory), and P. Kalas (University of California, Berkeley and SETI Institute)

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