Fireball Meteor Over Groningen . ... Credit Copyright: Robert Mikaelyan Explanation: The brilliant fireball meteor captured in this snapshot was a startling visitor to Tuesday evening's twilight skies over the city of Groningen. ... Even though there are bright fireball meteors in planet Earth's atmosphere every day, sightings of them are relatively rare because they more often occur over oceans and uninhabited areas. ... NASA Web Site Statements, Warnings, and Disclaimers . ...