Laser on NASA's Psyche asteroid probe beams data from 140 million miles away

There's a very cool experiment attached to a spacecraft on its way to a potentially metal asteroid. A diagram showing where psyche and the solar system planets were during the laser transmission on April 8.(Image credit: NASA/JPL-Caltech) Late last year, NASA scientists pressed start on a highly anticipated space mission. Basically, they launched a spacecraft toward an asteroid that could very well be made entirely of metal, a composition that appears to be a rarity — at least, in our …