Lonely 'homeless' planet found for the first time

Researchers obtained a series of infrared images of CFBDSIR2149 using the 3.6 metres in diameter CFHT. They then used the full strength of the 8 metres in diameter VLT to deduce its mass, its temperature, and of particular note, its age.

The planet was found to be between 50 and 120 millions years old, with a temperature of approximately 400 degrees Celsius, and a mass four to seven times that of Jupiter.

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