3 Planets That Shouldn't Exist

Captions provided by CCTubes – Captioning the Internet! We explore several exoplanets whose features make us think they shouldn’t even have been able to form in the first place!

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Sources:
http://curious.astro.cornell.edu/people-and-astronomy/the-history-of-astronomy
http://www.stfc.ac.uk/news/new-earth-sized-exoplanet-that-e28098shouldne28099t-existe28099-baffles-astronomers/
http://www.nasa.gov/kepler/scientists-discover-the-first-earth-size-rocky-planet
http://www.ifa.hawaii.edu/info/press-releases/Kepler-78b/
https://www.cfa.harvard.edu/news/2013-25
http://www.nature.com/news/exoplanet-is-built-like-earth-but-much-much-hotter-1.14058
http://www.nature.com/articles/nature12767.epdf?referrer_access_token=XMR3gMhr7kMTYL4WqFzZSNRgN0jAjWel9jnR3ZoTv0P6D6ZSDH6k5XhFyaQck5qpWxnue1zA6MVaIXECfNmBAMz7KMqRzI97Nk6hcjCLR_9xjGSqMkbMlocHV71cgditOcdAnALAYXQOpJC9aZ4july1ND0i4KPmjLiRqFqCbl2-X5QGWcKJMf_AKqk78kQKFUEs9R7ySORXMtl_TUa3WtVqLotVKvJDdHOfGtxWvpopKCEw5MXW6FcF_GRCZOXE&tracking_referrer=www.nature.com
http://www.nature.com/articles/nature12768.epdf?referrer_access_token=nZf1od5X_5HJ5zejYnYICdRgN0jAjWel9jnR3ZoTv0NxezoYHErYVc8BHfRQrVkQ9DbsHEyBxz4ap_a2qCw-06FTRJADtS7edCyAftxNuVli5D-rt_YtAj9gIAU9EgW1qqUPDL1JyzQYITHT0PLWd1VyR6xtFHIE0okZnTjWPituQpX_KFGYPG8fpMDXw66K1UCWi6-QMLJ42S-oFYllPueK5K3h2N3rPvUcYVYGfk0r8ZoiSVsMljJLht-ORpYV&tracking_referrer=www.nature.com
http://www.smithsonianmag.com/science-nature/how-do-astronomers-actually-find-exoplanets-180950105/?no-ist
https://arxiv.org/abs/1601.06168
http://www.slate.com/blogs/bad_astronomy/2014/06/03/mega_earth_the_large_rocky_planet_kepler_10c.html
https://www.cfa.harvard.edu/news/2014-14
http://newatlas.com/kepler-10c-mega-earth-exoplanet/32367/
http://www.nasa.gov/ames/kepler/astronomers-confounded-by-massive-rocky-world
http://www.space.com/30372-gas-giants.html
http://hubblesite.org/hubble_discoveries/discovering_planets_beyond/how-do-planets-form
http://phys.org/news/2014-09-planets.html
http://www.space.com/23858-most-distant-alien-planet-discovery-hd106906b.html
http://www.iflscience.com/space/strange-newly-discovered-exoplanet-defies-planetary-formation-theories/
https://arxiv.org/abs/1312.1265
http://news.berkeley.edu/2015/12/01/exiled-exoplanet-possibly-kicked-out-of-stars-neighborhood/
http://www.centauri-dreams.org/?p=29635

Images
https://commons.wikimedia.org/wiki/File:Planets_everywhere_(artist%E2%80%99s_impression).jpg
https://commons.wikimedia.org/wiki/File:Exoplanet_Comparison_Kepler-78_b.png
https://commons.wikimedia.org/wiki/File:Kepler-78b.png
https://commons.wikimedia.org/wiki/File:Exoplanet_Comparison_Kepler-10_c.png
https://commons.wikimedia.org/wiki/File:Neptune_Full.jpg
https://www.nasa.gov/ames/kepler/astronomers-confounded-by-massive-rocky-world
https://commons.wikimedia.org/wiki/File:Jupiter_and_its_shrunken_Great_Red_Spot.jpg
https://commons.wikimedia.org/wiki/File:HD_106906_b_image.jpg