After almost a decade in space, NASA's New Horizons spacecraft has successfully completed the first-ever flyby of Pluto.
Eager scientists and space enthusiasts erupted with joy just after 9 p.m. Eastern on Tuesday when the probe beamed its status back to mission operations at the Johns Hopkins University Applied Physics Laboratory in Maryland. Now comes a stream of images and new data about the dwarf planet and its moons.
Here & Now's Jeremy Hobson speaks with NPR science correspondent Geoff Brumfiel.
This segment aired on July 15, 2015.