Martian Tech- How to Land on Mars Explained With Complete Infographic

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In order to land on a planet safely, one must slow down from orbital speed i.e. tens of thousands of miles per hour, to a full stop on the surface. Re-entry friction with Planet Earth's dense atmosphere decreases the spacecraft‘s speed sufficient for parachutes to deliver a gentle descent. Object like the moon, which has no atmosphere at all, rockets are used all the way down to guarantee an easy landing. On the other hand Mars has very thin atmosphere and it cannot offer sufficient resistance to slow a spacecraft to a safe landing speed with just only a parachute and heat shield. 

Various means of landing on the planet Mars.
Source SPACE.com: All about our solar system, outer space and exploration.




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