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First evidence of volcanic activity on a super-Earth?

5 May 2015 Astronomy Now

Astronomers have detected wildly changing temperatures on a super-Earth — the first time any atmospheric variability has been observed on a rocky planet outside the Solar System — and believe it could be due to huge amounts of volcanic activity, further adding to the mystery of what had been nicknamed the ‘diamond planet.’

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Enormous planet found to be in a quadruple star system

7 March 2015 Astronomy Now

Astronomers have discovered the second known case of a four-star planetary system. The planet was known before and has a mass ten times that of Jupiter, but was thought to have only three parent stars, not four. The findings help researchers understand how multiple star systems can influence the development and fate of planets.

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NASA’s Kepler spacecraft proves it can still find planets

19 December 2014 Astronomy Now

When the primary mission of NASA’s Kepler spacecraft ended in May 2013 due to a failure of its stabilisation system, a team of scientists and engineers developed an ingenious strategy to control the spacecraft. The resulting second mission, K2, has a newfound planet — HIP 116454b