Thursday, September 25, 2014

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News

Most metal-poor star hints at universe's first supernovae

Posted: 24 Sep 2014 10:50 AM PDT

In a new study, researchers point out that the elemental abundance of the most iron-poor star can be explained by elements ejected from supernova explosions of the universe's first stars. This reveals that massive stars, which are several tens of times more immense than the Sun, were present among the first stars.

Clear skies on exo-Neptune: Smallest exoplanet ever found to have water vapor

Posted: 24 Sep 2014 10:50 AM PDT

Astronomers have discovered clear skies and steamy water vapor on a planet outside our Solar System. The planet, known as HAT-P-11b, is about the size of Neptune, making it the smallest exoplanet ever on which water vapor has been detected.

India's Mars Orbiter Spacecraft successfully inserted into orbit around Red Planet

Posted: 24 Sep 2014 07:25 AM PDT

India's Mars Orbiter Spacecraft successfully entered into an orbit around the planet Mars this morning (Sept. 24, 2014) by firing its 440 Newton Liquid Apogee Motor (LAM) along with eight smaller liquid engines. In the coming weeks, the spacecraft will be thoroughly tested in Mars orbit and the systematic observation of the planet using the spacecraft's five scientific instruments is expected to begin.

'Univofutah': Asteroid named for University of Utah

Posted: 23 Sep 2014 01:11 PM PDT

What's rocky, about a mile wide, orbits between Mars and Jupiter and poses no threat to Earth? An asteroid named "Univofutah" after the University of Utah. Discovered on Sept. 8, 2008, by a longtime Utah astronomy educator, the asteroid also known as 391795 (2008 RV77) this month was renamed Univofutah by the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
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