The asteroid, named 16 Psyche, is 252 km-wide – nearly 17 times bigger than the asteroid that led to the extinction of dinosaurs millions of years ago.
Psyche is made up entirely of nickel and iron, which are the exact same materials at the Earth’s core.
The metal-rich asteroid orbits the Sun in the main asteroid belt between Mars and Jupiter.
This – as well as its sheer size – has led experts to believe the asteroid is actually the remains of a planet.
But the value of just the iron alone if the asteroid was transported back to Earth, would be $10,000 quadrillion (£8,072 quadrillion).
This would be enough to cause the world’s economy – worth $73.7 trillion – to collapse altogether, experts say.
After an intense review of the mission’s progress in building its science instruments and engineering systems, Psyche won clearance to progress into what NASA calls Phase D of its life cycle – the final phase of operations prior to its scheduled launch in August 2022.
Until now, the mission has focused on planning, designing, and building the body of the spacecraft, its solar-electric propulsion system, the three science instruments, electronics, the power subsystem, and the like.
The successful review of those elements means the mission can now begin delivering components to NASA’s Jet Propulsion Laboratory, which manages the mission and will test, assemble, and integrate each piece.
“It’s really the final phase, when all of the puzzle pieces are coming together and we’re getting on the rocket. This is the most intense part of everything that happens on the ground,” said Arizona State University’s Lindy Elkins-Tanton, who as principal investigator for Psyche leads the mission.
Scientists believe that exploring the asteroid Psyche (about 140 miles, or 226 kilometers, wide) could lend valuable insight into how Earth and other planets formed… Via – Daily Star UK