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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 to Mars’s past and makes predictions for its future, including the possibilities for human life.

Table of Contents
Mars is Colder and Smaller Than Earth 0:56
Polar Ice Caps 3:29
Rusty & Dusty 1:16
Huge Volcanoes 2:32
Mars’s Past Geography 6:33

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PHOTO/VIDEO SOURCES
Planets [credit: Wikimedia Commons]
Terrestrial Planets [credit: Wikimedia Commons]
Curiosity’s view of martian soil [credit: NASA/JPL-Caltech/MSSS]
Mars Topography [credit: NASA/JPL]
Tharsis [credit: NASA / JPL-Caltech / Arizona State University]
Olympus Mons [credit: NASA]
Valles Marineris [credit: NASA/USGS]
Cappuccino swirls at Mars south pole [credit: ESA/DLR/FU Berlin / Bill Dunford]
The Mars Reconnaissance Orbiter image 1 [credit: NASA]
The Mars Reconnaissance Orbiter image 2 [credit: NASA/JPL]
Dunes, image 1 [credit: NASA/JPL-Caltech/University of Arizona]
Dunes, image 2 [credit: NASA/JPL-Caltech/Univ. of Arizona]
Serpent Dust Devil [credit: NASA/JPL-Caltech/Univ. of Arizona]
Tattooed Mars [credit: NASA, HiRISE, MRO, LPL (U. Arizona)]
Avalanche [credit: NASA/JPL/University of Arizona]
Deimos [credit: NASA/JPL-Caltech/University of Arizona]
Phobos [credit: NASA/JPL-Caltech/University of Arizona]
Mars’ Moon Phobos Eclipses the Sun, as Seen by Curiosity [credit: NASA Jet Propulsion Laboratory]
Material Excavated by a Fresh Impact and Identified as Water Ice [credit: NASA/JPL-Caltech/University of Arizona]
Crater walls [credit: NASA/JPL/Malin Space Science Systems]
Sedimentary deposit [credit: NASA/JPL-Caltech/MSSS]
Curiosity rover [credit: NASA/JPL-Caltech/MSSS]
Astronaut on Mars [credit: NASA]
Skylight [credit: NASA/JPL-Caltech/Univ. of Arizona]
Life on mars [credit: NASA/Pat Rawlings, SAIC]