Happy #SUNday! Total solar eclipses are rare, but most of the continental U.S. will experience one on Aug. 21. Here’s why we don’t have one every day: http://go.nasa.gov/2uxfeo6 #Eclipse2017
Happy #SUNday! Total solar eclipses are rare, but most of the continental U.S. will experience one on Aug. 21. Here’s why we don’t have one every day: http://go.nasa.gov/2uxfeo6 #Eclipse2017
