Peter Brown, a professor in Western University’s physics and astronomy department, tweeted a series of photos of the spectacle. He dubbed it the Kintail fireball, for the spot near the Canadian shoreline of Lake Huron where it was believed to have crossed over before going into the water. On a map, Kintail is directly across the lake from Michigan’s Thumb. “Kintail fireball orbit from last night place origins firmly from the asteroid belt. The initial mass was somewhere between a few to ten kilograms - softball sized. Not quite as bright as the full moon," Brown posted on Twitter. Fireballs...