Chyrsanthemum Rock Specimen by cobalt123, via Flickr These "Chrysanthemum" Flowers, frozen in stone, are natural occurrences of celestite crystals in a limestone matrix. Found in Liuyang County, Hunan Province in China. The Chrysanthemum Stone Flower has been highly prized as a marvel of nature
The sun, planets and Voyager probes sit inside the tiny yellow dot at right, within a giant sphere called the Oort cloud. This reservoir of trillions of ice chunks extends 100,000 astronomical units out, tethered to the sun by gravity. Astronomers believe these objects got thrown out of the inner solar system as the planets took shape 4.5 billion years ago.