Pluto New Horizons Spacecraft Share Stunning Image As It Approaches Milestone Distance
Close With Pluto safely behind it, New Horizons is just hours away from passing a significant milestone: it would be 50 times further away from the Sun than Earth. The spacecraft completed a mission that had never been done before at the solar system's edge to mark the occasion. New Horizons reached 50 astronomical units (AU) from the Sun at 8:42 EDT on Saturday, April 17. One AU is the average distance between Earth and the Sun. That's about 150 million kilometers. This figure is entirely arbitrary and appealing to our base-10 sensibilities as a milestone. Still, it marks a significant achie...
Source: sciencetimes.com