NASA Is Actually Going to Visit That Insane Metallic World
There's nothing quite like Psyche anywhere else in our solar system-a small asteroid belt object made entirely of iron-nickel metal. Which is why
"Human kind has visited rocky worlds and icy worlds, but we've never seen a metal world," Lindy Elkins-Tanton, principal investigator for the Psyche Mission, which NASA just green-lit as part of its ongoing Discovery program, told reporters in a press call this afternoon. "Psyche's appearance remains a mystery. This will be true exploration and discovery."
Measuring just 130 miles (210 kilometers) in diameter, the giant hunk of
"The pressure at Earth's core is over 3 million times air pressure. We are never going to Earth's core," Elkins-Tanton said. "Psyche lets us visit inner space by visiting outer space."
Another very compelling to visit Psyche: space mining.
"I think one of the most important things we'll discover are what are the surface conditions on a metal asteroid are like," Elkins-Tanton continued, noting that Psyche's surface could tell us a lot about how easy or difficult it would be to mine such an asteroid in the future.
Psyche is one of two
Lucy and Psyche will launch in 2021 and 2023, respectively. Lucy will make its first asteroid rendezvous in 2025, and spend the next few years Trojan-hopping around Jupiter, using newer versions of the instruments included on NASA's New Horizons mission to Pluto.
Psyche is targeted to arrive at its metallic destination in 2030. The mission will orbit 16 Psyche for 20 months, taking images, measuring magnetic field strength and gravity, and determining the asteroid's precise composition.
Lucy and Psyche are the thirteenth and fourteenth Discovery-class missions. They follow in the footsteps of some of NASA's most exciting recent expeditions, including the Dawn mission to Ceres, and the OSIRIS-Rex mission to asteroid Bennu.
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