Two huge comets to appear in sky this week & won’t return for 1,300 and 20,000 YEARS – exact times to spot them both

TWO comets will blaze across the night sky this week – before disappearing for hundreds of years. It'll be your only chance this lifetime to view the pair as they soar overhead. The pair are named Comet Lemmon and Comet SWAN, and they'll both appear as bright green fireballs. It's unlikely that you'll be able...