News

With fuel running low, Kepler begins 18th observing campaign

27 May 2018 Astronomy Now

NASA’s Kepler Space Telescope began its 18th observing campaign on 12 May, an 82-day run focusing on star clusters, galaxies and a handful of solar system bodies as the spacecraft nears the end of its life. Among its targets is 99942 Apophis, an asteroid expected to pass close by Earth in 2029.

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Mysterious dimming of Tabby’s Star may be caused by dust

7 October 2017 Astronomy Now

One of the most mysterious stellar objects may be revealing some of its secrets at last. Called KIC 8462852, also known as Boyajian’s Star, or Tabby’s Star, the object has experienced unusual dips in brightness — NASA’s Kepler space telescope even observed dimming of up to 20 percent over a matter of days. In addition, the star has had much subtler but longer-term enigmatic dimming trends, with one continuing today.

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Kepler finds Tabby’s Star is mysteriously dimming

8 August 2016 Keith Cooper

The so-called ‘most mysterious star in the galaxy’, also known as KIC 8462852, Tabby’s Star, the WTF (‘where’s the flux’) star and the ‘alien megastructure star’, has become even stranger according to new analysis of old observations from Kepler.

Top Stories 2015

No. 4 A planet like Earth?

2 January 2016 Keith Cooper

There was great media excitement in July when it was announced that the Kepler Space Telescope had discovered the most Earth-like planet yet, but appearances can be deceiving.