How Other-Worldly Auroras Help Us Explore the Galaxy

Earth’s northern and southern lights are some of the most magical sights on our planet. But they’re not unique to Earth, and aside from being beautiful, auroras can also give us unusual insights into these other worlds.

Magnetic words: https://store.dftba.com/collections/scishow/products/scishow-magnetic-words

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:

Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, charles george, Alex Hackman, Chris Peters, Kevin Bealer
----------
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:
https://www.bu.edu/csp/uv/proton/proton_publi_abs.html
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019JA027140
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/97JA01662
https://www.nasa.gov/press-release/goddard/2019/mars-proton-aurora-common
https://phys.org/news/2019-12-martian-aurora-climate-clues.html
https://www.forbes.com/sites/briankoberlein/2019/12/17/the-aurora-of-mars-tell-the-story-of-how-a-wet-world-became-dry/#53b8cb97be6f
https://www.nasa.gov/press/2015/march/nasa-s-hubble-observations-suggest-underground-ocean-on-jupiters-largest-moon
https://solarsystem.nasa.gov/moons/jupiter-moons/ganymede/in-depth/
https://www.scientificamerican.com/article/jupiter-s-moon-ganymede-has-a-salty-ocean-with-more-water-than-earth/
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014JA020778
https://www.space.com/25720-jupiter-moon-ganymede-ocean-life.html
https://academic.oup.com/mnras/article/414/3/2125/1036950
https://www.nationalgeographic.com/news/2011/4/110421-auroras-aliens-new-planets-search-radio-ras-space-science/
https://astronomy.com/news/2020/03/hunting-aurorae-astronomers-find-an-exoplanet-using-a-new-approach
https://www.nature.com/articles/s41550-020-1011-9
https://sci.esa.int/web/cluster/-/43018-beamed-radio-emission-from-earth

Images:
https://www.nasa.gov/multimedia/imagegallery/image_feature_1083.html
https://www.nasa.gov/feature/goddard/2018/old-data-new-tricks-fresh-results-from-nasa-s-galileo-spacecraft-20-years-on
https://www.nasa.gov/press-release/goddard/2018/mars-proton-aurora
https://svs.gsfc.nasa.gov/12986
https://mars.nasa.gov/resources/6453/valles-marineris-hemisphere-enhanced/
https://mars.nasa.gov/resources/7000/artists-concept-of-maven-observing-aurora-on-mars/
https://commons.wikimedia.org/wiki/File:Structure_of_the_magnetosphere_LanguageSwitch.svg
https://commons.wikimedia.org/wiki/File:Ganymede_diagram.svg
https://commons.wikimedia.org/wiki/File:15-033i1-JupiterMoon-Ganymede-Aurora-20150312.jpg
https://commons.wikimedia.org/wiki/File:Ganymede_diagram.svg
https://commons.wikimedia.org/wiki/File:Solar_Wind_Strips_the_Martian_Atmosphere.webm
https://commons.wikimedia.org/w/index.php?curid=86823352
https://www.eurekalert.org/multimedia/pub/224426.php
https://www.istockphoto.com/photo/aurora-borealis-northern-lights-southeast-alaska-gm1177141282-328505123
https://www.istockphoto.com/photo/aurora-borealis-with-silhouette-love-romantic-couple-on-the-mountain-honeymoon-gm1070065352-286270943
https://www.istockphoto.com/photo/abstract-blue-background-backdrop-hand-paint-stain-gm1283060368-380606623
https://www.istockphoto.com/photo/aurora-borealis-nature-landscape-at-night-gm1169366970-323231925
https://www.istockphoto.com/photo/vla-radio-telescope-searching-gm1182286954-331928920
https://www.istockphoto.com/photo/southern-lights-gm641712994-116286227
https://www.istockphoto.com/photo/alien-planet-in-outer-space-lens-flare-nebula-star-field-gm1207126985-348412397
https://www.istockphoto.com/vector/northern-lights-aurora-borealis-vector-isolated-illustration-gm1177001210-328395015