Von Neumann probes, self-replicating spacecraft, or Alien lurkers and alien artifacts all represent the idea that somewhere in our solar system there could be evidence of an alien civilization and that they may have been silently watching us from space for millions of years or longer.Jonh Michael Godier spoke to Dr. James Benford about his paper 'Looking for Lurkers: Co-orbiters as SETI Observables', as well as other solutions to the fermi paradox that involves finding alien artifacts in our own solar system.Looking for Lurkers: Co-orbiters as SETI Observables by Dr. James Benford: https://arxiv.org/pdf/1903.09582.pdfWant to support the channel?Patreon: https://www.patreon.com/EventHorizonShowFollow us at other places!Website: https://www.eventhorizonshow.com/Twitter: https://twitter.com/jmgeventhorizonInstagram: https://www.instagram.com/jmgeventhorizon/Music featured on Event Horizonhttps://stellardrone.bandcamp.com/https://migueljohnson.bandcamp.com/https://leerosevere.bandcamp.com/https://aeriumambient.bandcamp.com