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Tassili Milky Way

by Babak A. Tafreshi

"Bright planet Jupiter, starry sky and the band of Milky Way as seen in dark night of African Sahara. Deep in Tassili National Park, in the heart of the Sahara desert in southern Algeria, giant eroded sandstone cliffs are barely illuminated by the photographer flashlight. Prehistoric skygazers surely witnessed a similar sky. In addition to dramatic sandstone formations, the Tassili region is noted for rock paintings and archaeological sites dating to neolithic times."

 

Apollo 17 Site : A Sharper View

"This view of the Apollo 17 landing site in the Taurus-Littrow valley was captured last month by the Lunar Reconnaissance Orbiter (LRO), the sharpest ever recorded from space. The high resolution image data was taken during a period when LRO's orbit was modified to create a close approach of about 22 kilometers as it passed over some of the Apollo landing sites. That altitude corresponds to only about twice the height of a commercial airline flight over planet Earth. Labeled in this image are Apollo 17 lunar lander Challenger's descent stage (inset), the lunar rover (LRV) at its final parking spot, and the Apollo Lunar Surface Experiments Package (ALSEP) left to monitor the Moon's environment and interior. Clear, dual lunar rover tracks and the foot trails left by astronauts Eugene Cernan and Harrison Schmitt, the last to walk on the lunar surface, are also easily visible at the Apollo 17 site."


Fluorite : Smith Co., Tennessee

Fluorite - Elmwood mine, Carthage, Smith Co., Tennessee, USA

Very fine and unusual etched fluorite, classic from this locality. On the top side are "normal" deep purple cubic fluorite crystals. The "bottom" consists of naturally etched crystallized fluorite. The crystals are lustrous and partly gemmy. Interesting and attractive piece! Size: 9.6 x 6.0 x 3.5 cm

 

Colorful Planet Mars : Bedrock Exposed in Walls and Central Peak of Crater

 

Grevillea blood orange

All rights reserved by andrachne

 

Mesocriconema sp. (ring nematode) (1000X)

by Jonathan Eisenback

 

Sediment Spews from Connecticut River

"Nearly a week after Hurricane Irene drenched New England with rainfall in late August 2011, the Connecticut River was spewing muddy sediment into Long Island Sound and wrecking the region's farmland just before harvest. The Thematic Mapper on the Landsat 5 satellite acquired this true-color satellite image on September 2, 2011.  

With its headwaters near the Canadian border, the Connecticut River drains nearly 11,000 square miles (28,500 square kilometers) and receives water from at least 33 tributaries in Vermont, New Hampshire, Massachusetts, and Connecticut. The 410-mile river—New England's longest—enters Long Island Sound near Old Lyme, Connecticut, and is estimated to provide 70 percent of the fresh water entering the Sound."

 

National Debt Seen as a Household Budget