Besides sonic boom sounds, he said witnesses also reported hearing hissing or crackling noises like frying bacon. Fireballs can act as radio transmitters, Mr. Hildebrand said, causing odd sounds.
He said other people saw the meteor break into pieces and turn red as it slowed down.
Because it came down over the bald prairie instead of ocean or forest, there's a good chance meteorites may be found, said Mr. Hildebrand. He just wants to get to them before they're covered or ruined by more snow.
Martin Beech, an associate professor of astronomy at the University of Regina, said meteorites are valuable to learning about the history of the solar system. The artifacts are 4.5 billion years old.
“Picking up a meteorite is almost equivalent to doing a space exploration mission between Mars and Jupiter,” he said.
Randy Atwood, a space educator, told CTV's Canada AM the meteor was probably no bigger than a grapefruit, and may have broken into small pieces before hitting the ground, or it may have burned up entirely before touching down.
He agreed there may not be much of it left, saying it was travelling at incredible speeds when it was spotted.
Alan Hildebrand, a planetary scientist from the University of Calgary, said the meteorite likely smashed into the ground near Macklin, Sask., which is about 100 kilometres south of the Alberta border town of Lloydminster.
In fact, Hildebrand is so sure of his hypothesis that he plans to spend his weekend searching for rock remnants around in the area.
"Right now, the important thing is not searching because we don't know which field to search in. It's a big world," Hildebrand told The Canadian Press. "What's important now is finding proximal eyewitnesses, so you know where meteorites might have fallen."
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