SciShow Space: The History Hidden in Martian Dunes

Teacher or professor: SciShow Space
Subject: Astronomy, Astronautics, Astrophysics
Content of the Lesson: Go to http://curiositystream.com/SciShowSpace to start streaming A Life on Mars. Use the promo code ‘scishowspace’ during the sign-up process and you’ll get an annual subscription for just $1.25 per month. The Red Planet was once more like Earth, with a thicker atmosphere and liquid water. Now, scientists are looking for clues to its past in the planet’s ancient fossil dunes, barchan dunes, and ghost dunes. Hosted by: Caitlin Hofmeister 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: Bd_Tmprd, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Sam Lutfi, Piya Shedden, Katie Marie 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://marsed.asu.edu/mep/tectonics/canyons https://www.nasa.gov/feature/goddard/2019/mars-lost-atmosphere https://spacescience.arc.nasa.gov/mars-climate-modeling-group/past.html https://airandspace.si.edu/multimedia-gallery/web12182-2011640jpg%23:~:text%3DThe%2520tight%2520pattern%2520of%2520bright,way%2520the%2520winds%2520were%2520blowing https://www.nasa.gov/feature/jpl/titans-dunes-and-other-features-emerge-in-new-images https://www.usgs.gov/centers/astrogeology-science-center/science/mars-dunes?qt-science_center_objects%3D0%23qt-science_center_objects https://airandspace.si.edu/exhibitions/exploring-the-planets/online/solar-system/mars/wind/dunes.cfm https://www.jpl.nasa.gov/spaceimages/details.php?id%3DPIA01495 https://www.nps.gov/grsa/learn/nature/dune-types.htm https://astrobiology.nasa.gov/news/ghost-dune-pits-on-mars/ https://sci.esa.int/web/mars-express/-/55481-the-ages-of-mars https://astrobiology.nasa.gov/nai/seminars/featured-seminar-channels/university-of-washington-seminars/2018/4/3/dune-casts-preserved-by-partial-burial-the-first-identification-of-ghost-dune-pits-on-mars/ https://www.nasa.gov/mission_pages/MRO/news/mro20120509.html https://www.nature.com/articles/nature11022 https://pubs.geoscienceworld.org/gsa/geology/article/47/5/427/569256/boundary-condition-controls-on-the-high-sand-flux https://science.sciencemag.org/content/353/6294/55.full?ijkey%3D/EqYyL/Z.rOCs%26keytype%3Dref%26siteid%3Dsci https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2018JE005613 https://www.sciencedirect.com/science/article/abs/pii/S001910358471181X https://www.sciencedirect.com/science/article/abs/pii/S0169555X09004711 https://www.sciencedirect.com/science/article/abs/pii/S0032063311003059 Images: https://svs.gsfc.nasa.gov/20201 https://hirise.lpl.arizona.edu/PSP_007726_2565 https://www.nasa.gov/mission_pages/odyssey/images/pia13654b.html#.Xz2MIpNKhTY https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA14141 https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA05845 https://www.jpl.nasa.gov/spaceimages/details.php?id=PIA12442 https://astrobiology.nasa.gov/news/ghost-dune-pits-on-mars/ https://en.wikipedia.org/wiki/File:26682dunes.jpg https://www.uahirise.org/ESP_014353_1685 https://www.nasa.gov/multimedia/imagegallery/image_feature_1569.html https://www.nasa.gov/mission_pages/MRO/news/mro20120509.html https://www.nasa.gov/content/active-dune-field-on-mars https://hirise.lpl.arizona.edu/TRA_000873_1780 https://hirise.lpl.arizona.edu/PSP_010219_2785


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