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Astronomy team discovers nearby dwarf galaxy

(PhysOrg.com) -- A team led by UCLA research astronomer Michael Rich has used a unique telescope to discover a previously unknown companion to the nearby galaxy NGC 4449, which is some 12.5 million light years from Earth. ...

dateFeb 08, 2012 in Astronomy
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Key link found in Cosmic Distance Ladder

(Phys.org) —When observing the bright explosion of a White Dwarf star in our neighbouring galaxy last year, researchers from The Australian National University collected the largest ever data set on what they recognised ...

dateJun 20, 2013 in Astronomy
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Researchers reveal unseen planet by its gravity

More than a 150 years ago, before Neptune was ever sighted in the night sky, French mathematician Urbain Le Verrier predicted the planet's existence based on small deviations in the motion of Uranus. In a paper published ...

dateMay 10, 2012 in Astronomy
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Ultra-cool companion helps reveal giant planets

(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has a temperature ...

dateMay 10, 2012 in Astronomy
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Astronomers discover light echo from supernova

(Phys.org) —Astronomers have discovered light echoing off material surrounding a recent supernova explosion, SN 2009ig. The dust and gas that are reflecting the light are so close to the eruption center that it is likely ...

dateJun 04, 2013 in Astronomy
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Investigating exoplanet surfaces

In order to better understand the composition of rocky exoplanets, researchers have proposed a method to identify chemical signatures from surface materials. A better understanding of exoplanet surface compositions will help ...

dateMay 27, 2013 in Astronomy
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