- Yesterday in Space, January 20 - A Ninth Planet, Boeing and SpaceX Upcoming Tests and Spaceflight Safety Report http://www.sciencemag.org/news/2016/01/feature-astronomers-say-neptune-sized-planet-lurks-unseen-solar-system 9 comments space
- Astronomers say a Neptune-sized planet lurks beyond Pluto http://www.sciencemag.org/news/2016/01/feature-astronomers-say-neptune-sized-planet-lurks-unseen-solar-system 1553 comments space
Linking pages
- Not So Fast: Why There Likely Isn't A Large Planet Beyond Pluto http://www.forbes.com/sites/startswithabang/2016/01/20/not-so-fast-why-there-likely-isnt-a-large-planet-beyond-pluto/#2715e4857a0baa7844f5af43 0 comments
- Our solar system may have a ninth planet after all — but not all evidence is in - The Verge http://www.theverge.com/2016/1/20/10801824/ninth-planet-x-discovered-evidence 0 comments
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