An Aurora Cupcake with a Milky Way Topping . ... Double auroral ovals were captured above the town lights of Фstersund , Sweden , last week. Pictured above , the green ovals occurred lower to the ground than violet aurora rays above, making the whole display look a bit like a cupcake . ... The auroras were caused by our Sun ejecting plasma clouds into the Solar System just a few days before, ionized particles that subsequently impacted the magnetosphere of the Earth. ... NASA Official: Jay Norris. ...