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24 juillet 2023 - 14:12
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Mars: Crash Course Astronomy #15
The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back at Mars's past and makes predictions for its future, including the possibilities for human life.
Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-astronomy-poster
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Chapters:
Introduction: Mars 00:00
Mars is Red, Rusty, and Dusty 1:19
Surface Features of Mars 2:01
Mars's Polar Ice Caps 3:29
Martian Atmosphere 3:50
Martian Moons: Deimos and Phobos 5:09
Is There Water on Mars? 6:03
Was There Life on Mars? 7:09
Martian Missions 8:01
Review 9:26
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PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Follow Phil on Twitter: https://twitter.com/badastronomer
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PHOTO/VIDEO SOURCES
Planets https://en.wikipedia.org/wiki/Solar_System#/media/File:Planets2013.jpg [credit: Wikimedia Commons]
Terrestrial Planets https://en.wikipedia.org/wiki/Venus#mediaviewer/File:Terrestrial_Planets_Size_Comp_True_Color.png [credit: Wikimedia Commons]
Curiosity’s view of martian soil https://en.wikipedia.org/wiki/Martian_soil#/media/File:PIA17944-MarsCuriosityRover-AfterCrossingDingoGapSanddune-20140209.jpg [credit: NASA/JPL-Caltech/MSSS]
Mars Topography http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA02820 [credit: NASA/JPL]
Tharsis http://upload.wikimedia.org/wikipedia/commons/thumb/2/22/Tharsis_-_Valles_Marineris_MOLA_shaded_colorized_zoom_32.jpg/1280px-Tharsis_-_Valles_Marineris_MOLA_shaded_colorized_zoom_32.jpg [credit: NASA / JPL-Caltech / Arizona State University]
Olympus Mons http://upload.wikimedia.org/wikipedia/commons/0/00/Olympus_Mons_alt.jpg [credit: NASA]
Valles Marineris https://en.wikipedia.org/wiki/Valles_Marineris#/media/File:Mars_Valles_Marineris.jpeg [credit: NASA/USGS]
Cappuccino swirls at Mars south pole http://www.esa.int/var/esa/storage/images/esa_multimedia/images/2015/02/cappuccino_swirls_at_mars_south_pole/15243840-1-eng-GB/Cappuccino_swirls_at_Mars_south_pole.jpg [credit: ESA/DLR/FU Berlin / Bill Dunford]
The Mars Reconnaissance Orbiter image 1 http://static.uahirise.org/images/2015/details/cut/ESP_039148_1980.jpg [credit: NASA]
The Mars Reconnaissance Orbiter image 2 http://photojournal.jpl.nasa.gov/figures/PIA19127_fig1.jpg [credit: NASA/JPL]
Dunes, image 1 http://mars.jpl.nasa.gov/gallery/press/20090317a/ESP_011909_1320.jpg [credit: NASA/JPL-Caltech/University of Arizona]
Dunes, image 2 http://www.nasa.gov/sites/default/files/pia17981.jpg [credit: NASA/JPL-Caltech/Univ. of Arizona]
Serpent Dust Devil http://www.nasa.gov/mission_pages/MRO/multimedia/pia15116.html [credit: NASA/JPL-Caltech/Univ. of Arizona]
Tattooed Mars http://www.nasa.gov/multimedia/imagegallery/image_feature_1500.html [credit: NASA, HiRISE, MRO, LPL (U. Arizona)]
Avalanche http://www.uahirise.org/ESP_016228_2650 [credit: NASA/JPL/University of Arizona]
Deimos https://en.wikipedia.org/wiki/Moons_of_Mars#/media/File:Deimos-MRO.jpg [credit: NASA/JPL-Caltech/University of Arizona]
Phobos https://en.wikipedia.org/wiki/Moons_of_Mars#/media/File:Phobos_colour_2008.jpg [credit: NASA/JPL-Caltech/University of Arizona]
Mars' Moon Phobos Eclipses the Sun, as Seen by Curiosity https://www.youtube.com/watch?v=OyZoD7BRTtg [credit: NASA Jet Propulsion Laboratory]
Material Excavated by a Fresh Impact and Identified as Water Ice http://www.jpl.nasa.gov/spaceimages/details.php?id=PIA12220 [credit: NASA/JPL-Caltech/University of Arizona]
Crater walls http://www.nasa.gov/externalflash/mgs-20061206/hi-resjpgs/1.jpg [credit: NASA/JPL/Malin Space Science Systems]
Sedimentary deposit http://mars.nasa.gov/msl/images/mars-curiosity-rover-mastcam-sedimentary-deposit-lakebed-rocks-pia19074-full.jpg [credit: NASA/JPL-Caltech/MSSS]
Curiosity rover http://photojournal.jpl.nasa.gov/jpeg/PIA16764.jpg [credit: NASA/JPL-Caltech/MSSS]
Astronaut on Mars http://www.nasa.gov/images/content/114626main_image_feature_326_ys_full.jpg [credit: NASA]
Skylight http://static.uahirise.org/images/2011/details/cut/ESP_019351_1795_a.jpg [credit: NASA/JPL-Caltech/Univ. of Arizona]
Life on mars http://www.nasa.gov/images/content/107427main_image_feature_261_ajhfull.jpg [credit: NASA/Pat Rawlings, SAIC]
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