A spiral in the Alaska skies near Fairbanks. It was formed when excess fuel from a SpaceX rocket turned to ice, with the water vapour then reflecting the sunlight. AP

Today's best photos: from an Alaskan spiral to a T-Rex skull auction



More from The National:

Tuesday's best photos: from practising for King Charles's coronation to a jet refuelling

Monday's best photos: from a Chinese flower park to the Rotterdam Marathon

Sunday's best photos: from colonial militia reenactors to Orthodox Easter in Ethiopia

Saturday's best photos: from tulips in bloom to a reveller in Kathmandu

Friday's best photos: from Florida flooding to a downpour in Yemen

Thursday's best photos: from a disco donkey to a therapeutic horse

Updated: April 19, 2023, 1:53 PM