Captions provided by CCTubes – Captioning the Internet! The Gaia space observatory released a detailed 3d map of the Milky Way, and scientists have figured out why Charon’s north pole is red!
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Sources:
http://www.nature.com/news/detailed-map-shows-milky-way-is-bigger-than-we-thought-1.20591
http://www.nature.com/news/milky-way-mapper-6-ways-the-gaia-spacecraft-will-change-astronomy-1.20569
http://www.esa.int/Our_Activities/Space_Science/Gaia/Gaia_discovers_its_first_supernova
http://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/201629512
http://www.space.com/30503-pluto-moon-charon-polar-patch.html
http://www.jpl.nasa.gov/education/images/pdf/ss-pluto.pdf
https://blogs.nasa.gov/pluto/2015/09/09/new-horizons-probes-the-mystery-of-charons-red-pole/
http://pluto.jhuapl.edu/Participate/learn/What-We-Know.php?link=Plutos-Atmosphere
Images:
http://www.esa.int/spaceinimages/Images/2016/09/Gaia_s_first_sky_map
http://www.esa.int/spaceinimages/Images/2013/08/Artist_s_impression_of_Gaia2
https://commons.wikimedia.org/wiki/File:Pleiades_large.jpg
https://commons.wikimedia.org/wiki/File:Charon-Neutral-Bright-Release.jpg
https://commons.wikimedia.org/wiki/File:Pluto-01_Stern_03_Pluto_Color_TXT.jpg
https://commons.wikimedia.org/wiki/File:Formation_of_tholins_in_Titan%27s_upper_atmosphere.svg
ESA Copyright Policy: http://www.esa.int/spaceinimages/ESA_Multimedia/Copyright_Notice_Images?img=1
