Explaining the interstellar comet 3I/ATLAS

We are learning more tonight after NASA says they have discovered an interstellar comet that’s wandered into our own backyard. The quick-moving object was spotted by NASA with the ATLAS telescope in Chile over the summer. Ken Gayley is an astronomy professor at the University of Iowa. He joins LiveNOW’s Austin Westfall to answer questions about the online conspiracies that suggest 3I/ATLAS might be an artificial object or even a probe from another civilization.