“Come with me inside a black hole”: A talk by physicist Carlo Rovelli
“They’re remarkable objects… I hope I can tell you something more about their strangeness and their beauty,” says physicist Carlo Rovelli of black holes on January 30th at Western University’s Conron Hall, for the 2025 Duncanson Lecture. Behind him beams a photo of Sagittarius A* — a black hole 26 million kilometers wide in the center of our Milky Way galaxy, 26,000 light years from Earth (1 light year is about 9.4 x 1012 kilometers). The photo — the average of thousands of photos taken from a telescope — shows a hazy orange-yellow ring of fluctuating brightness circling a dark…