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Astrophysicists detect ultra-fast winds near supermassive black hole

21 March 2016 Astronomy Now

Quasars are the discs of hot gas that form around supermassive black holes at the centre of massive galaxies — they are hotter than the surface of the Sun, generating enough light to be seen across the observable universe. New research has revealed quasar wind speeds of 20 percent the speed of light near a supermassive black hole.

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Ground-based detection of super-Earth transit

1 December 2014 Astronomy Now

A team of astronomers has measured the passing of a super-Earth in front of a bright, nearby Sun-like star using a ground-based telescope for the first time. Exoplanet 55 Cancri e, some 40 light-years away, is about twice as big and eight times as massive as the Earth.