Funnel cloud from Rio: Photos showing a funnel cloud seen around sunset, from Rio de Janeiro, Brazil. No tornado, storm or even rain was reported. More.
Stacked moons: A stack of moon images from the morning of February 24, taken at 1-minute intervals as the moon rose from the horizon, by Ken Christison. More.
Artificial space clouds over U.S. East: NASA launched a sounding rocket on June 29 that formed colorful clouds in space, visible from New York to North Carolina. More.
Giant iceberg on the move: The calving of this iceberg in July reduced the size of Antarctica’s Larsen C ice shelf by 12 percent. More.
Red sprite over Oklahoma: Photographer Paul Smith said he thinks this may be the 1st documented capture of a red sprite over Oklahoma. They’re large-scale electrical discharges – high above thunderstorm clouds – flickering in the night. More.
Land of Terror: This looks like an abstract painting, but it’s a satellite image of the Tanezrouft Basin, a part of the Sahara Desert in central Algeria known as the Land of Terror. More.
California in flames: According to the California Department of Forestry and Fire Protection, the 2017 California wildfire season is the worst on record. More.
Bottom line: Favorite EarthSky images of 2017.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. Today, as Lead Editor at EarthSky.org, she helps present the science and nature stories and photos you enjoy. She also serves as one of the voices of EarthSky on social media platforms including Facebook, Twitter and G+. She and her husband live in Tennessee and have two grown sons.