In August of 2007, astronomers located a gigantic hole in the universe. This empty space, stretching nearly a billion light-years across, is devoid of any matter such as galaxies, stars, and gas, and neither does it contain the strange and mysterious dark matter, which can be detected but not seen. The large void in the Constellation Eridanus appears to be improbable given current cosmological models. A radical and controversial theory proposes that it is a "universe-in-mass black hole"
Một đêm ngắm trăng to ở núi Sơn Trà, Trăng và cầu được chụp ở tiêu cự 200mm, phương pháp chồng phim (multi exposure) One night watching the super full moon at Son Tra Mountain, Moon and bridge to be taken at 200mm focal length, multi exposure 2 shots.
10 Things That Could Be Shortening Your Dog’s Life
We try our best to keep our dogs as healthy and happy as we can, but it’s just not possible to know everything that can cause harm to them. Some things, however, are right under our noses and we may not even know it! Doing our best to keep them …
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.