WAVES AND HUMS

WEIRD STAR

omething towards the centre of the Milky Way is intermittently blasting out radio waves, seemingly at random, but what it might be is far from clear. Nicknamed “Andy’s Object” – after Ziteng “Andy” Wang, the astronomer at the University of Sydney, Australia, who discovered the phenomenon – it seems to emit radio waves for a few weeks, then stops for a time before waking up for another burst. Wang and his colleagues.