Earth Science Picture of the Day

05/31/13 3 Asterism

05/30/13 Northern Lights Over Washington State

05/16/13 Earth's Rotation and Polaris

05/04/13 Logas Beach on Corfu Island, Greece

04/20/13 * Night Sky Observed from Paros Island, Greece

04/15/13 Auroral Display of March 1, 2013

04/05/13 Orion and Its Bright Neighbors

03/24/13 Hind's Crimson Star

03/10/13 Dark No More

02/28/13 Saturn and Five of its Moons

02/22/13 Twilight and Star Trails at Adraga Beach, Portugal

02/17/13 Owl Cluster

01/27/13 Orion Star Count 2013

01/26/13 Airglow Above Buenos Aires

01/17/13 The Brightest Star

12/29/12 Dwarf Galaxy M32

12/27/12 * Green Aurora Over South Iceland

12/26/12 Crescent Moon and Venus Over Toronto

12/24/12 Earth and Moon Composition

12/17/12 Jupiter at Opposition

12/01/12 Star Trails Above Pemaquid Point Lighthouse, Bristol, Maine

11/28/12 Difference in Brightness of a Penumbral Eclipse

11/21/12 Double Cluster and Greg's Charm Bracelet

11/20/12 * Curtains of Northern Lights Above Jokulsarlon, Iceland

11/14/12 Aurora Australis and Magellanic Clouds

11/09/12 Blinking City Lights of Krakow, Poland

11/08/12 Moonlight Reflection off a Lake

10/21/12 Barred Spiral Andromeda Galaxy

10/17/12 * Icelandic Aurora

09/28/12 Barred Galaxies in Leo and Supernova

09/13/12 * River Dreams

09/10/12 Bug Flights at Night

08/24/12 2012 Perseid Meteors and Planetary Alignment

08/12/12 El Gualicho Salt Flats

08/09/12 Green Aurora Above La Mauricie National Park, Quebec

08/05/12 Contrasting Star Colors in Perseus

07/22/12 Venus, the Moon, Jupiter and the Pleiades

07/21/12 Conjunction and Occultation of Jupiter and the Crescent Moon

07/03/12 Red Aurora Above Saint-Pierre, Quebec

07/01/12 Venus and Jupiter Glitter Paths

06/24/12 Crab Nebula

06/23/12 Hercules Globular Cluster

06/01/12 Intense Spring Aurora Over Northern Michigan

05/28/12 * Whirlpool Galaxy

05/26/12 Occultation of Zeta Tauri

05/15/12 Mega-mosaic of Coma-Virgo Galaxy Cluster

05/09/12 Third Quarter Moon and Temple of Poseidon

05/07/12 * Aurora Borealis from Barrow, Alaska

05/05/12 Blue Jet Observed Over Central Michigan

04/30/12 Keogram of Mt. Snezka