Picture This Moon ring shines bright over the VLT 15 June 2022 Keith Cooper A stunning Moon halo shines in the sky above the Very Large Telescope at the European Southern Observatory in Chile.
Video NASA Science Briefing: Comet Siding Spring at Mars 13 October 2014 Astronomy Now NASA holds a news conference to discuss the close encounter of Comet Siding Spring with Mars. On October 19, 2014, the comet will pass 139,500 kilometers (88,000 miles) from the red planet.