Geminids meteor shower: an astrophysicist on what to look out for

The Geminids meteor shower peaks on the mornings of December 13 and 14, 2018 – but if you look up any time there’s a clear night sky up until December 17, you might just catch a glimpse of a Geminid meteor, writes
The Geminids shower is unusual as it is one of two meteor shower confirmed to be caused by an asteroid (most meteor showers are caused by comets).