What really happened during Russia’s anti-satellite missile test?

On Nov. 15, 2021, U.S. officials announced that they had detected a dangerous new debris field in orbit near Earth. Later in the day, it was confirmed that Russia had destroyed one of its old satellites in a test of an anti-satellite weapon. Wendy Whitman Cobb is a space security researcher. She explains what these weapons are and why the debris they create is a problem now – and in the future. What do we know? Anti-satellite weapons, commonly referred to as ASATs, are any weapon that can