RT @CassiniSaturn: Sometimes it’s good to breathe deeply and remember the Day the Earth Smiled: go.nasa.gov/2fYh4qt (That blue dot… twitter.com/i/web/status/7…
RT @CassiniSaturn: Sometimes it’s good to breathe deeply and remember the Day the Earth Smiled: go.nasa.gov/2fYh4qt (That blue dot… twitter.com/i/web/status/7…