Tiny galaxy studied for clues to evolution of universe Astronomers have discovered a strangely tiny galaxy in the Milky Way's neighborhood - one with less than 1,000 stars held together by the smallest dark-matter halo ever observed. The galaxy known as Segue 2, described in the Astrophysical Journal, might hold the key to a long-standing mystery...
June 11, 2013 - Appeal-Democrat
Smallest Dwarf Galaxy In Known Universe Discovered: Segue 2 Lee Rannals for redOrbit.com - Your Universe Online University of California, Irvine scientists reported on Monday that they have measured the least massive galaxy in the known universe. The researchers wrote in The Astrophysical Journal that the tiny dwarf galaxy, Segue 2, only holds a mere 1,000 stars within its realm. Their findings offer clues about how iron, carbon and other elements help ...
June 10, 2013 - redOrbit
Cassini Spacecraft Observes Aerosol 'Snow' On Saturn Moon Titan Lee Rannals for redOrbit.com – Your Universe Online Scientists writing in The Astrophysical Journal say they have found aerosol "snow" on Saturn's moon Titan . The scientists said they confirmed the presence of Polycyclic Aromatic Hydrocarbons ( PAH s) in the upper atmosphere of Saturn's largest moon. This study provides an explanation of the origin of the aerosol particles found in the lowest ...
June 5, 2013 - redOrbit
Larry Esposito in EurekAlert (press release) The main ring system -- which Esposito said is so large it would barely fit in the space between Earth and its moon -- should provide "a local lab of sorts to help us understand similar phenomenon in our larger astrophysical system like accretion...