NASAMars
@mhmxnxajncfpc
It's almost spring in Earth's Northern Hemisphere. On Mars, spring brings avalanches to the north polar ice deposits. Our Mars Reconnaissance Orbiter captured this one in the act of plunging down a 1,640-foot-tall (500-meter-tall) cliff. https://t.co/QOf30lrvkC https://t.co/L4muwuw0aA
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