How to spot the exotic green comet (and what might get in the way)

This week star gazers will be hoping to catch sight of an exotic
green comet that last passed by Earth 50,000 years ago. But, unlike
the view our Neanderthal ancestors would have had, light pollution
will make witnessing this celestial event an impossibility for
many. Ian Sample speaks to astronomy journalist Dr Stuart Clark
about how best to see the comet, and why it’s time to rethink our
relationship with the night sky. Help support our independent
journalism at theguardian.com/sciencepod