South Africa's MeerKAT solves mystery of 'X-galaxies'
Friday, May 8, 2020 - 08:00
in Astronomy & Space
Many galaxies far more active than the Milky Way have enormous twin jets of radio waves extending far into intergalactic space. Normally these go in opposite directions, coming from a massive black hole at the centre of the galaxy. However, a few are more complicated and appear to have four jets forming an 'X' on the sky.