This diagram shows our cosmic address at a glance. We see our planetary system around the Sun, our stellar neighborhood in our galaxy, our galaxy in the local group of galaxies, and our group in the...
Observing the Earth: Incredible Satellite Photos of Earth from the European Space Agency
Though I don't have a homepage set, the first page in my daily rounds is always the Astronomy Picture of the Day (site currently down), a website launched by NASA and the Michigan Technological University way back in 1995, a nearly continuous publication run of 18 years. Unfortunately due some minor
Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you take with a cameraphone.