The Red Planet’s red looks different to an Earthling than it would to a Martian—or to a robot with hyperspectral cameras for eyes.
The seven minutes of terror are over. The parachute deployed; the skycrane rockets fired. Robot truck goes ping! Perseverance, a rover built by humans to do science 128 million miles away, is wheels-down on Mars. Phew.
Percy has now opened its many eyes and taken a look around.
The rover is studded with a couple dozen cameras—25, if you count the two on the drone helicopter. Most of them help the vehicle drive safely. A few peer closely and intensely at ancient Martian rocks
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