Thursday, 27 January 2011

Astronomers discover coolest objects outside solar system

Our astronomers have measured the distances to 11 of the coolest objects ever discovered outside our solar system. The 11 cool objects – known as brown dwarfs – have masses intermediate between stars (more massive) and planets (less massive), and as a result do not burn hydrogen, making them extremely cool.

The work led by Federico Marocco, an astrophysicist in our Centre for Astrophysics Research was carried out as part of a collaboration between the University of Hertfordshire, the astronomical Observatory of Torino and a wider international group.

Astronomers call very cool brown dwarfs like the ones discovered ‘T dwarfs’ and Federico and his team have discovered many of the coolest known examples ever found.

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