Comet Sliding Spring All News 'Comet Sliding Spring' - 1 News Result(s) Once-in-8-Million-Year Fireworks as Comet Showers Mars Sky Saturday November 8, 2014 Offbeat | Associated Press A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live. www.ndtv.com Share Twitter WhatsApp Facebook Reddit Email 'Comet Sliding Spring' - 1 News Result(s) Once-in-8-Million-Year Fireworks as Comet Showers Mars Sky Saturday November 8, 2014 Offbeat | Associated Press A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live. www.ndtv.com Share Twitter WhatsApp Facebook Reddit Email