Astrophysical Journal

Kepler proves it can still find planets

To paraphrase Mark Twain, the report of the Kepler spacecraft's death was greatly exaggerated. Despite a malfunction that ended its primary mission in May 2013, Kepler is still alive and working. The evidence comes from the ...

dateDec 18, 2014 in Astronomy
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Fermi finds a 'transformer' pulsar

( —In late June 2013, an exceptional binary containing a rapidly spinning neutron star underwent a dramatic change in behavior never before observed. The pulsar's radio beacon vanished, while at the same time the ...

dateJul 22, 2014 in Astronomy
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Transiting exoplanet with longest known year

Astronomers have discovered a transiting exoplanet with the longest known year. Kepler-421b circles its star once every 704 days. In comparison, Mars orbits our Sun once every 780 days. Most of the 1,800-plus exoplanets discovered ...

dateJul 21, 2014 in Astronomy
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The dark fingers of the solar atmosphere

The Sun is bubbling, forming mysterious finger-like plasma structures in its gaseous envelope, the corona. A German-American team headed by the Max Planck Institute for Solar System Research has now succeeded in explaining ...

dateDec 08, 2014 in Astronomy
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Warm gas pours 'cold water' on galaxy's star-making

Some like it hot, but for creating new stars, a cool cosmic environment is ideal. As a new study suggests, a surge of warm gas into a nearby galaxy—left over from the devouring of a separate galaxy—has extinguished star ...

dateDec 08, 2014 in Astronomy
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