NASA Planetary Defense- Backyard Asteroid Observer
Westfield, Illinois–pop. 601–plus the largest privately owned telescope in the world. The town's backyard astronomer Robert Holmes is part of our army of asteroid observers. Watch to learn more: http://go.nasa.gov/2u7Sur1 #AsteroidDay
Posted by NASA – National Aeronautics and Space Administration on Friday, June 30, 2017
