How to Watch NASA Launch Its New Perseverance Mars Rover

How to Watch NASA Launch Its New Perseverance Mars Rover

The skycrane is outfitted with eight small engines that start firing when the rover is about half a mile up to rapidly slow its fall to just a few miles per hour.“These particular engines are actually a derivative of the original engines developed for Viking landers in the early ’70s, but we've made very significant upgrades,” says Fred Wilson, a propulsion expert at Aerojet Rocketdyne, the company that made the propulsion system for the Perseverance landing system.

NASA’s Mars Rover Will Be Powered by US-Made Plutonium

NASA’s Mars Rover Will Be Powered by US-Made Plutonium

Perseverance is only the second Mars rover to use nuclear power as its main source of electrical energy.Starting with Curiosity, which arrived on the Red Planet in 2012, NASA engineers switched to nuclear power as the rover’s main source of energy.

Will We Recognize Life on Mars When We See It?

Will We Recognize Life on Mars When We See It?

When she’s not hunting for ancient life on other planets, Bosak studies the earliest life on our own, a process she says is analogous to what Perseverance will be doing on Mars.