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Just north of the Martian equator lies a 28-mile-wide crater that scientists believe is the site of an ancient lake. Here in Jezero Crater, scientists theorize that the frozen ground may contain humanity’s most significant discovery: life. On February 18, 2021, NASA’s Perseverance rover landed in this crater to find out if we are truly alone in the universe. How likely is it that life exists on Mars? What would these Martians look like? How will we get the collected samples back to Earth? What If in other places: What If in English: http://bit.ly/facebook-whatif What If in Spanish: http://bit.ly/YT-Spanish-what-if What If in Italian: http://bit.ly/Cosa-succederebbe-se What If in French: http://bit.ly/Et-si-youtube What If in Mandarin: http://bit.ly/YT-Chinese-what-if What If in Hindi: http://bit.ly/what-if-hindi-youtube Podcast: http://bit.ly/yt-what-if-show-podcast What If is a documentary miniseries that takes you on an epic journey of hypothetical worlds and possibilities. Come with us on an imaginary adventure through time, space and chance. We'll do our best to explain complex topics in a fun way. Produced with love by Underknown in Toronto: https://underknown.com