Earth Science Picture of the Day

09/19/12 Santo Antonio Caves in Portugal

09/16/12 Parhelion Above Arc de Triomphe

08/18/12 * Sunset Above the Atlantic Ocean

08/17/12 Monsoon Sunset and Red Rainbow

08/10/12 Airglow Over Germany

08/08/12 Light Bulb Sun from Stintino, Italy

07/28/12 High Altitude Balloon Flight Over Mount Olympus, Greece

07/24/12 Sunset over the Great Salt Lake

07/23/12 Daybreak at the Heads in Victoria, Australia

07/16/12 * Halo Display Over Black Rapids Glacier, Alaska

07/15/12 Circumhorizontal Arc Over Pilesgrove, New Jersey

07/11/12 Full Moon Over the Bonneville Salt Flats

07/10/12 Visibility in the Canary Islands and Saharan Dust

07/07/12 Rainbow Wheel Over Lake Charlevoix, Michigan

07/01/12 Venus and Jupiter Glitter Paths

06/29/12 Desert Dogs

06/27/12 * Sunrise, Sunset Over Lake Myvatn, Iceland

06/17/12 Circumzenithal Arc Above Ritzville, Washington

06/11/12 Morning Crepuscular Rays on Mount Gringa, Italy

06/10/12 Upward and Downward Shadows

06/02/12 Double Rainbow Panorama Over Amersfoort, The Netherlands

05/29/12 22 Degree Halo and 46 Degree Halo

05/25/12 Green Flash

05/14/12 * Water Drops, Daisies and Bumblebees

05/11/12 Fireball Over the Rockies?

05/10/12 Lower Tangent Arc Observed Over San Rafael, California

05/05/12 Blue Jet Observed Over Central Michigan

05/01/12 * Brilliant Sun Pillar Over Jenison, Michigan

04/27/12 Lengthening Shadows in the Erg Chebbi

04/16/12 Fiery Sunset Over Cadiz, Spain

04/15/12 Fata Morgana of Point Reyes National Seashore

04/07/12 120-degree Parhelion Over Easton, Pennsylvania

04/06/12 * Circumzenithal Arc and More Observed Over Florida Panhandle

03/30/12 Light and Color in My Kitchen

03/27/12 Lunar Halo, Orion and Grossglockner

03/24/12 Mock Green Flash Observed from Near Sparta, Greece

03/23/12 * Seeing Over the Horizon

03/22/12 First Flash Observed by Crew of the International Space Station

03/17/12 Green Color in Thunderstorms

03/07/12 * Tiny World in a Fallen Drop

03/06/12 Skypools on Spring Lake, Utah

02/19/12 Rainbow Over Korbach, Germany

02/18/12 Badlands Mirage

02/15/12 Jacob's Ladder

02/14/12 Nacreous Clouds Over the Scottish Highlands

02/06/12 Distorted Moonset Sequence

01/31/12 Lunar Corona and the Waxing Gibbous Moon

01/28/12 * Spider Tension Turns Caustic

01/23/12 Sirius Twinkling

01/21/12 Sundog and Bright Tail Over Trento, Italy