Michael Byers holds the Canada Research Chair in Global Politics and International Law. Aaron Boley holds the Canada Research Chair in Planetary Astronomy. Both are at the University of British Columbia, where they co-direct the Outer Space Institute.
On Wednesday evening, depending on where in Canada you are, you might be leaving school or work, having dinner, or already fast asleep in bed.
Meanwhile, an asteroid the size of a seven-storey building – designated 2019 EA2, to reflect the fact that it is the second asteroid to pass close to Earth this year, and spotted just two weeks ago through a telescope in Arizona – will buzz by the planet we call home. The good news? The 24-metre-wide asteroid will miss us by 300,000 kilometres.
The bad news: asteroids do hit the Earth. Most harmlessly break into pieces as they enter Earth’s atmosphere, but even a relatively small asteroid can damage property and injure people. In 2013, a 17-meter-wide asteroid sent 1,500 people to hospital in Chelyabinsk, Russia, most of them injured by flying glass from broken windows. Continue Reading →