Earth Day photo from Jim Richardson @JimRichardsonNG, a fellow traveler on this island of life in the outer reaches of the Milky Way Galaxy. This view was taken from inside the arm of our spiral galaxy, and looks into the heart of the galaxy where a black hole resides (just to the left of this cactus in Arizona.). Our home. Nice place. We should probably take care of it. Happy Earth Day. Want to have your #EarthDay photo published on NatGeo.com<http://natgeo.com/>? Add #NatgeoEarthDay to your images, then check NatGeo.com<http://natgeo.com/> on Earth Day, April 22nd.