Comet Leonard was discovered by Gregory J Leonard on January 3 in Arizona
It has the possibility of becoming a naked eye comet by mid-December 2021
It is on a hyperbolic trajectory and so is on its way out of the solar system forever
If it retains its brightness it will be best viewed close to the horizon in December
Recently-Discovered Comet Leonard Could be The Brightest of 2021 albawaba.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from albawaba.com Daily Mail and Mail on Sunday newspapers.