We've seen the black hole called Sagittarius A* at the middle of the Milky Way. Now what?

An X-ray and infrared image of the centre of the Milky Way, with the radio image of its black hole, taken in April 2017. (Supplied: X-ray: NASA/CXC/SAO; IR: NASA/HST/STScI. Inset: Radio (EHT Collaboration))

There's a monster twirling around in the centre of our galaxy, and its portrait has finally been unveiled.

Overnight, the international Event Horizon Telescope (EHT) crew revealed an image of superheated gas coursing around and falling into Sagittarius A* or Sgr A*, the supermassive black hole in the Milky Way's core.