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NASA in Final Preparations for Nov. 8 Asteroid Flyby
October 28, 2011 — NASA scientists will be tracking asteroid 2005 YU55 with antennas of the agency's Deep Space Network at Goldstone, Calif., as the space rock safely flies past Earth slightly closer than the moon's ... > full story -
Astronomers Pin Down Galaxy Collision Rate With Hubble Data
October 27, 2011 — A new analysis of Hubble surveys, combined with simulations of galaxy interactions, reveals that the merger rate of galaxies over the last 8 billion to 9 billion years falls between the previous ... > full storyMore: -
Faraway Eris Is Pluto's Twin
October 26, 2011 — Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope at the ... > full story -
Astronomers Discover Complex Organic Matter Exists Throughout the Universe
October 26, 2011 — Researchers from Hong Kong report that organic compounds of unexpected complexity exist throughout the Universe. They indicate that an organic substance commonly found throughout the Universe ... > full story -
NASA Telescopes Help Solve Ancient Supernova Mystery
October 24, 2011 — A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's Spitzer ... > full story -
Astronomers Explain Blue Stragglers: How Do Mysterious Stars Stay So Young?
October 20, 2011 — Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until now, ... > full story -
VISTA Finds New Globular Star Clusters and Sees Right Through the Heart of the Milky Way
October 20, 2011 — Two newly discovered globular clusters have been added to the total of just 158 known globular clusters in our Milky Way. They were found in new images from ESO's VISTA survey telescope as part of ... > full story -
Planet-Sized Object as Cool as Earth Revealed in Record-Breaking Photo
October 19, 2011 — Scientists are presenting the photo of a nearby star and its orbiting companion -- whose temperature is like a hot summer day in Arizona. The planet-like companion is the coldest object ever directly ... > full story -
Hubble Survey Carries out a Dark Matter Census
October 13, 2011 — The NASA/ESA Hubble Space Telescope has been used to make an image of galaxy cluster MACS J1206.2-0847. The apparently distorted shapes of distant galaxies in the background is caused by an invisible ... > full story -
Distant Galaxies Reveal the Clearing of the Cosmic Fog; New VLT Observations Chart Timeline of Reionization
October 12, 2011 — Scientists have used the European Southern Observatory's Very Large Telescope to probe the early Universe at several different times as it was becoming transparent to ultraviolet light. This brief ... > full story
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