Space is vast and it's hiding so many secrets! Black holes, dark energy, mysterious stars, unknown planets. Scientists have been looking for one of such planets for 100+ years, but still can't find it. There're clear signs that Planet X exists right in our Solar System, but we don't see it. How it is possible and what's so special about this mysterious planet? Credit: NASA Image and Video Library NASA/JPL NASA/JPL-Caltech NASA/JPL-Caltech/R. Hurt (SSC) NASA/Jay R. Thompson SDO/NASA NASA/JHUAPL/SWRI NASA/Goddard/University of Arizona - https://www.asteroidmission.org/?attachment_id=7915 NASA's Goddard Space Flight Center (GN-z11 image and video courtesy of NASA/ESA/STScI/G. Bacon and NASA/ESA/Yale University/P. Oesch and P. van Dokkum, STScI/G. Brammer, UC Santa Cruz/G. Illingworth) CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0: Orbits and positions of 96 of 109 known distant minor planets and extreme trans-Neptunian objects (eTNOs): By Nrco0e, https://commons.wikimedia.org/w/index.php?curid=98977799 Animation of Pluto's orbit from 1900 to 2100 (Sun, Saturn, Uranus, Neptune, Pluto): By Phoenix7777, https://commons.wikimedia.org/w/index.php?curid=74251699 Konstantin Batygin: By Corvus, https://commons.wikimedia.org/w/index.php?curid=58621923, https://commons.wikimedia.org/w/index.php?curid=58621912 Konstantin Batygin: By Oklo99, https://commons.wikimedia.org/w/index.php?curid=57307080 Sedna solar system Jan1 2017: By Tomruen, https://commons.wikimedia.org/w/index.php?curid=60453344 Professor Brown giving a lecture at George Washington University sporting his signature orange tie: By Raagini chandra, https://commons.wikimedia.org/w/index.php?curid=64776113 The Subaru Telescope on Mauna Kea, Hawai'i: By Denys (fr), CC BY 3.0 https://creativecommons.org/licenses/by/3.0, https://commons.wikimedia.org/w/index.php?curid=2731788 ---------------------------------------------------------------------------------------- Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz ---------------------------------------------------------------------------------------- Our Social Media: Facebook: https://www.facebook.com/brightside/ Instagram: https://www.instagram.com/brightgram/ 5-Minute Crafts Youtube: https://www.goo.gl/8JVmuC Stock materials (photos, footages and other): https://www.depositphotos.com/ https://www.shutterstock.com/ https://www.eastnews.ru/ ---------------------------------------------------------------------------------------- For more videos and articles visit: http://www.brightside.me/ Our App http://bit.ly/3a4dTr5