151: Why is NASA Worried About Debris from Mission Shakti?

The ASAT test that India conducted on 27 March was successful but left a lot of space junk and NASA is grossly upset over that. But is there no debris from other tests, conducted by other countries especially the US? What are the potential threats and what has been done to avoid it? And why is the debris from Mission Shakti so much in the news? Tune in to The Big Story podcast.