A tree is silhouetted against the yellow light of the setting sun
Silhouetted against the southern Milky Way and starry sky of Easter Island, are…
Alexander Cartwright Jr, The Origin of the Baseball Diamond, and the Formation of the Knickerbockers
Letters and Words
A statue of Ceres, Roman goddess of agriculture, is silhouetted against the rising moon as it stands on top of the Missouri State Capitol
SU Dasher, Serene Snowflakes(R), Four the Season(R), gold embossed, Brushed Gold C/S
Polar stratospheric clouds or PSCs, also known as nacreous clouds, occur in the winter polar stratosphere at altitudes of 15,000–25,000 meters (49,000–82,000 ft). Though beautiful, they are implicated in the formation of ozone holes.
A collection of windmills are silhouetted by the sun.
Rainbow Nacreous Clouds - Iceland - Polar stratospheric clouds or PSCs, are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 meters. They are best observed during civil twilight when the sun is between 1 and 6 degrees below the horizon. They are implicated in the formation of ozone holes.
The original document testimony of four women against George Burroughs for witchcraft, 1692. Salem.
Researchers Simulate the Formation of Massive Stars from Turbulent Molecular Clouds November 19, 2013 Using the Pleiades supercomputer at the NASA Advanced Supercomputing (NAS) facility, researchers perform large-scale supercomputing simulati...
"Troops in Formation" uses Delectable Mountain blocks to give the impression of soldiers in formation.
Morning Glory Clouds in Australia. Bourketown, on the Gulf of Carpentaria. This cloud formation occurs for just a couple of weeks in Sept/Oct, depening on conditions. A mecca for gliders and cloud appreciators alike.