In astronomers discovered a star composed entirely of diamond, measuring km across and 10 billion trillion trillion carats. 50 light years from Earth, the diamond star is classified as a crystallized white dwarf, the hot core that remains after
(National Geographic) An onlooker of the annular solar eclipse witnesses the celestial event on May 2012 .Albuquerque, New Mexico, USA.(Photo and caption by Colleen Pinski).
orbits its parent star from a distance of only miles, so close that one year on the planet happens every 10 hours. The exoplanet belongs to a new class of zippy exoplanets called ultra-short-period planets (USPPs), which have orbits of less than a day
Thisamazing image of Arp a pair of interacting galaxies located about 430 million light years from Earth, shows X-rays from the NASA's Chandra X-ray Observatory (pink) and optical data from the Hubble Space Telescope (red, green, blue) produced by.