Cosmic jets: what’s shooting out of black holes?

09/12/2013 10:59

By James Miller-Jones, Curtin University
While we tend to think of black holes as giant cosmic vacuum cleaners, it’s not all one-way travel. As gas falls in towards a black hole, it spirals gradually inwards like water going down a plug hole – but it’s not all lost; some of it can instead be diverted outwards in narrow, energetic beams known to astronomers as jets. [Read more] ...