Astrophysical Journal

Planet X myth debunked

It was an elusive planet that for 200 years appeared to explain Uranus's wobbly orbit. And there was the sister sun theorized to be near our solar system that caused asteroids to swerve toward Earth.

dateMar 16, 2014 in Astronomy
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A small step toward discovering habitable Earths

University of Arizona researchers snapped images of a planet outside our solar system with an Earth-based telescope using essentially the same type of imaging sensor found in digital cameras instead of an ...

dateMar 05, 2014 in Astronomy
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Image: Star factory NGC 7538

(Phys.org) —The billowing clouds portrayed in this image from ESA's Herschel observatory are part of NGC 7538, a stellar nursery for massive stars. Located around 9000 light-years away, this is one of the ...

dateMar 04, 2014 in Astronomy
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Centaurus A: A new look at an old friend

(Phys.org) —Just weeks after NASA's Chandra X-ray Observatory began operations in 1999, the telescope pointed at Centaurus A (Cen A, for short). This galaxy, at a distance of about 12 million light-years ...

dateFeb 06, 2014 in Astronomy
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Capturing a fleeting starburst

On 11 November 2011, astronomers witnessed a distant star erupt in an incredibly powerful explosion. An international research team including Mikio Morii and colleagues from the MAXI Team at the RIKEN Global ...

dateJan 31, 2014 in Astronomy
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