Stargazers have a ‘once-in-a-lifetime opportunity’ to see a rare astronomical event tonight.
But you’ll have to be up during the small hours to witness it β and if you blink, you really could miss it.
An asteroid known as 319 Leona is set to pass in front of a faraway star calledΒ Betelgeuse, famous for its bright red tintΒ and unpredictable behaviour.Β
