The Oldest Twin of Our Sun Found

The Oldest Twin of Our Sun Found

  ESO’s VLT provides new clues to help solve lithium mystery   An international team led by astronomers in Brazil has used ESO’s Very Large Telescope to identify and study the oldest solar twin known to date. Located 250 light-years from Earth, the star HIP 102152 is more like the Sun than any other solar [continue reading]

Water on Moon's Surface Hints at Water Below

Water on Moon’s Surface Hints at Water Below

  NASA-funded lunar research has yielded evidence of water locked in mineral grains on the surface of the Moon from an unknown source deep beneath the surface. The Gibbous Moon (11 days old). Image Credit & Copyright: Robert Gendler  Using data from NASA’s Moon Mineralogy Mapper (M3) instrument aboard the Indian Space Research Organization’s Chandrayaan-1 spacecraft, scientists [continue reading]

Anne's Image of the Day: Globular Cluster Messier 19

Anne’s Image of the Day: Globular Cluster Messier 19

August 28, 2013 Messier 19, a globular cluster in Ophiuchus Image Credit: Doug Williams, REU Program/NOAO/AURA/NSF Messier 19 (also known as NGC 6273) is a globular cluster of some 140 light-years across, located about 28,700 light-years away from Earth in the constellation of Ophiuchus (the Serpent-bearer). It is receding form us at approximately 135 kilometers [continue reading]

Chelyabinsk Meteorite had Previous Collision or Near Miss

Chelyabinsk Meteorite had Previous Collision or Near Miss

  The Chelyabinsk meteorite either collided with another body in the Solar System or came too close to the Sun before it fell to Earth, according to research announced today (Tuesday 27th August) at the Goldschmidt conference in Florence. A fragment of the Chelyabinsk meteorite, showing the fusion crust — the result of a previous [continue reading]

Anne's Image of the Day: Spiral Galaxy Messier 58

Anne’s Image of the Day: Spiral Galaxy Messier 58

August 27, 2013 Messier 58, a spiral galaxy in Virgo Image Credit & Copyright: Adam Block/Mount Lemmon SkyCenter/University of Arizona (http://skycenter.arizona.edu/gallery/Galaxies/M58) Messier 58 (also known as NGC 4579) is a barred spiral galaxy of some 107,000 light-years across with an estimated mass of 300 billion solar masses, located approximately 68 million light-years away from Earth [continue reading]

Anne's Image of the Day: NGC 2074 and the Seahorse

Anne’s Image of the Day: NGC 2074 and the Seahorse

August 26, 2013 NGC 2074 and the Seahorse in the Large Magellanic Cloud Image Credit: NASA, ESA, and Mario Livio (STScI) NGC 2074 is a large emission nebula with an embedded open star cluster (with the same designation, and which lies just off the top of the image) in the Large Magellanic Cloud – a small [continue reading]