Everyone on NASA's Juno Project team let out a collective sigh on Monday, when the spacecraft successfully entered Jupiter's orbit in what some are calling "the hardest thing NASA's ever done."
Miles O'Brien, a science correspondent at the PBS NewsHour, talks about the Juno mission and what it means.
If our guest @milesobrien was on @NASA's #Juno spacecraft (in Jupiter's orbit) it would take 45 minutes for our first question to reach him.
— Brian Lehrer Show (@BrianLehrer) July 6, 2016