This week's sponsor
Photos: A Take Control Crash Course - Jason's ebook about Photos, now updated for High Sierra & iOS 11.
Jason Snell for Yahoo Tech
January 15, 2016 8:06 AM PT
A lot of what we know about our solar system comes from probes we send out into it, to snap a bunch of pictures and beam back to Earth. But our knowledge of the broader universe comes from closer to home: telescopes that are on the Earth or orbiting just above it.