LIVE: Pluto Q&A with a NASA scientist

NASA has releasednew images of Pluto, capping a successful mission by the New Horizons spacecraft. It took nearly a decade and some 3 billion miles for the world to see Pluto in crisp detail. NASA scientist Dr. Jim Green is answering questions on the "CBS Evening News" Facebook page about the mission.

LIVE Q&A: You've seen the photos -- now's your chance to ask the New Horizons team about all things Pluto! Answering...

Posted by CBS Evening News with Scott Pelley on Wednesday, July 15, 2015