What Knocked Over Uranus? And Two Other Mysteries

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The most common type of exoplanets might be worlds like our ice giant, Uranus. Understanding it could be key to the history of planets all over the galaxy.

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Sources:

https://www.space.com/45-uranus-seventh-planet-in-earths-solar-system-was-first-discovered-planet.html
https://www.theatlantic.com/science/archive/2016/02/uranus-is-the-best-planet/458724/
https://medium.com/the-space-perspective/mysterious-uranus-and-why-we-need-to-put-an-orbiter-around-it-462894903bed
https://www.universetoday.com/107816/the-most-common-exoplanets-might-be-mini-neptunes/
https://nssdc.gsfc.nasa.gov/planetary/factsheet/neptunefact.html
https://www.space.com/13231-planet-uranus-knocked-sideways-impacts.html
https://phys.org/news/2015-11-uranus-frankenstein-moon-miranda.html
https://www.space.com/27334-uranus-frankenstein-moon-miranda.html
https://arxiv.org/abs/0912.0181
http://iopscience.iop.org/article/10.3847/1538-4357/aac725/meta

Images:

https://www.nasa.gov/feature/nasa-completes-study-of-future-ice-giant-mission-concepts
https://www.eurekalert.org/multimedia/pub/174597.php
https://en.wikipedia.org/wiki/File:Uranus_orientation_1985-2030.gif
https://solarsystem.nasa.gov/resources/677/gas-giant-interiors-2003/
https://svs.gsfc.nasa.gov/12880
https://www.nasa.gov/image-feature/january-1986-voyager-2-flyby-of-miranda
https://commons.wikimedia.org/wiki/File:Saturn_(planet)_large.jpg
https://en.wikipedia.org/wiki/File:Uranian_rings_scheme.png
https://www.nasa.gov/feature/jpl/uranus-may-have-two-undiscovered-moons
https://www.nasa.gov/mission_pages/voyager/pia01976.html

Видео What Knocked Over Uranus? And Two Other Mysteries канала SciShow Space