Peridot - An amazing fact about Peridot is that it is also a gemstone from outer space! It has been found in meteors that have fallen to earth from deep space. It has also been found (in its basic form called olivine) on Mars and the Moon!
Sailors and oceanographers, who use sonar technology to map seafloor topography and identify ocean life, have regularly run into “acoustic ghosts”—inexplicable bodies of movable mass that sometimes rivaled the size of a city. In 2003 scientists aboard a research vessel just south of Long Island, New York, discovered that the UFOs were composed of hundreds of millions of fish. Using low-frequency sonar technology they identified a school roughly the size of Manhattan.
Goat Aurora Over Greenland Image Credit & Copyright: Juan Carlos Casado (TWAN) Explanation: Sometimes it's hard to believe what you see in the sky. During the Shelios Expedition to Greenland in late August, even veteran sky enthusiasts saw auroras so colorful, so fast changing, and so unusual in form that they could remember nothing like it.