User blog comment:Siberian Subnautican/Precursor Designs!/@comment-170.72.59.81-20170212190116/@comment-31112546-20170213002908

The Aurora was doing a "Slingshot Manuever" around the planet much like the Degasi did. Since the gun can't recognize that from landing on the planet, it did what it was built for: shoot it down and make the player's life hell.