ScienceDaily: Astronomy News |
- Final MAVEN instrument integrated to spacecraft
- Green Pea galaxies could help astronomers understand early universe
- Astronomers anticipate 100 billion Earth-like planets
- Search for dark matter: Experiment measures antimatter excess in cosmic ray flux
- NASA team investigates complex chemistry at Saturn's moon Titan
- Taken under the 'wing' of the small magellanic cloud: First detection of X-ray emission from young stars with masses similar to our Sun outside our Milky Way galaxy
| Final MAVEN instrument integrated to spacecraft Posted: 03 Apr 2013 05:03 PM PDT An instrument that will measure the composition of Mars' upper atmosphere has been integrated to NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft. MAVEN has a scheduled launch date of Nov. 18. |
| Green Pea galaxies could help astronomers understand early universe Posted: 03 Apr 2013 11:14 AM PDT The rare Green Pea galaxies discovered by the general public in 2007 could help confirm astronomers' understanding of reionization, a pivotal stage in the evolution of the early universe. |
| Astronomers anticipate 100 billion Earth-like planets Posted: 03 Apr 2013 10:13 AM PDT Researchers have proposed a new method for finding Earth-like planets and they anticipate that the number will be in the order of 100 billion. The strategy uses a technique called gravitational microlensing, currently used by a Japan-New Zealand collaboration. |
| Search for dark matter: Experiment measures antimatter excess in cosmic ray flux Posted: 03 Apr 2013 08:53 AM PDT The international team running the Alpha Magnetic Spectrometer (AMS) today announced the first results in its search for dark matter. They report the observation of an excess of positrons in the cosmic ray flux. The results are consistent with the positrons originating from the annihilation of dark matter particles in space, but not yet sufficiently conclusive to rule out other explanations. |
| NASA team investigates complex chemistry at Saturn's moon Titan Posted: 03 Apr 2013 08:41 AM PDT A laboratory experiment at NASA's Jet Propulsion Laboratory, Pasadena, Calif., simulating the atmosphere of Saturn's moon Titan suggests complex organic chemistry that could eventually lead to the building blocks of life extends lower in the atmosphere than previously thought. The results now point out another region on the moon that could brew up prebiotic materials. |
| Posted: 03 Apr 2013 07:42 AM PDT The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. In fact, it was so bright that many navigators used this object to make their way across the oceans. A new composite image shows this galaxy like Ferdinand Magellan, who lends his name to the SMC, could never have imagined. New Chandra data of the SMC have provided the first detection of X-ray emission from young stars with masses similar to our Sun outside our Milky Way galaxy. |
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