NASA is concentrate on take in photos for#GlobalSelfiethis Earth Day , leaving theEarth Observatory alone to provide this cool barb of our Earth . Back in 2013 , a space weather scope catch a glimpse of abode while tracking a passing comet .
The Earth is , on average , one galactic building block ( AU ) forth from the Sunday . When this effigy was snapped , Comet PanSTARRS was 0.3 AU from the sunshine and 1.1 AU from the Earth .
Image credit : NASA / GSFC / STEREO . translate the full subtitle onthe Earth Observatory . For an up - close and beautiful look at our planet , check out these gorgeous island , or a glimpse at howthe sea changes with the time of year . Want to bone some fact into your celebration ? TheBad Astronomer is has add up 10 newfangled planetary science factsto his one-year list .
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