Last Updated: Tuesday, December 17, 2013, 16:06
Astronomers, who took precise measurements of the closest pair of failed stars to the Sun, have found that the system harbours a third, planetary-mass object.
Last Updated: Wednesday, October 12, 2011, 14:05
An international team of astronomers has discovered over two dozen new free-floating brown dwarfs - sometimes described as ‘failed stars’.
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