Entry, Descent, and Landing – often referred to as “EDL” – is the shortest and most intense phase of a rover mission. It begins when the spacecraft reaches the top of the Martian atmosphere, traveling at high speeds. It ends about seven minutes later, with the rover stationary on the Martian surface. To safely go from those speeds down to zero in that short amount of time, while hitting a narrow target on the surface, requires “slamming on the brakes” in a very careful, creative, and challenging way.
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