120 seconds in Pluto’s shadow
A nerve-wracking path correction put a 747 on course to measure Pluto’s skies
![SOFIA test flight](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/02/021616_cc_plutplane_free.jpg?fit=860%2C460&ssl=1)
SCOPE’S ON A PLANE A 2.5-meter-wide telescope peers through an opening on SOFIA during a 2010 test flight over the Sierra Nevada mountains in California.
NASA