NASA just landed its fifth rover on Mars, Perseverance. Here’s a quick look at all the rovers that have made that trip over the last quarter of a century.
Since the late 1990s, NASA has been sending rovers on exploratory missions to Mars. And understandably so—they are far less expensive than manned missions and carry no risk to human life.
There have been five in total: Sojourner, the identical twin rovers Spirit and Opportunity, Curiosity, and, now, Perseverance.
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Effective when other materials fail, ceramics are particularly suitable for applications requiring wear and chemical resistance, sliding characteristics or biocompatibility. Discover...
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