The Ominous Reason Phobos Has Lines on It

Head to https://complexlycalendars.com/products/scishowspace to buy your 2023 SciShow Space calendar today! Mars’s moon, Phobos, is striped with grooves all across its surface. But if one theory about where they came from is true, does that mean this moon might be on its way out? Hosted by: Hank Green (he/him) ---------- Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: Jason A Saslow, David Brooks, and AndyGneiss! Support SciShow Space by becoming a patron on Patreon: https://www.patreon.com/SciShowSpace Or by checking out our awesome space pins and other products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? SciShow on TikTok: https://www.tiktok.com/@scishow SciShow Tangents Podcast: http://www.scishowtangents.org Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://sci.esa.int/web/mars-express/-/31031-phobos https://nssdc.gsfc.nasa.gov/planetary/factsheet/marsfact.html https://www.nasa.gov/feature/goddard/phobos-is-falling-apart https://www.brown.edu/news/2018-11-20/phobos https://www.sciencedirect.com/science/article/abs/pii/S0032063318301260?via%3Dihub https://solarsystem.nasa.gov/moons/mars-moons/phobos/in-depth/ https://www.annualreviews.org/doi/abs/10.1146/annurev-astro-081817-052013 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2015JE004943 Image Sources: https://commons.wikimedia.org/wiki/File:Pluto_black_background.png https://commons.wikimedia.org/wiki/File:Phobos_moon_black_background.png https://commons.wikimedia.org/wiki/File:HallPortrait.jpg https://commons.wikimedia.org/wiki/File:Phobos_by_Mariner_9_(71-051A-04A).jpg https://commons.wikimedia.org/wiki/File:Moons_of_solar_system_v7.jpg https://commons.wikimedia.org/wiki/File:Phobos_fly-by_animation_ESA223006.gif https://commons.wikimedia.org/wiki/File:Phobos_Viking_Mosaic_DLRcontrol_7200.jpg https://commons.wikimedia.org/wiki/File:Stickney_mro.jpg https://commons.wikimedia.org/wiki/File:Phobos_stickney.jpg https://commons.wikimedia.org/wiki/File:Tethys_-_Melanthius_Crater_02_by_Cassini.jpg https://commons.wikimedia.org/wiki/File:%E3%83%95%E3%82%A9%E3%83%9C%E3%82%B9.PNG https://commons.wikimedia.org/wiki/File:Orbits_of_Mars_satellites.svg https://commons.wikimedia.org/wiki/File:PIA23554-AsteroidBennu-EjectingParticles-20190106.jpg https://svs.gsfc.nasa.gov/11326 https://commons.wikimedia.org/wiki/File:Martian_habitat_with_colonists.jpg