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Wonderful graphic from NASA of ocean surface currents!

Ocean currents

perpetual ocean currents by NASA

#Antartica from #space #NASA. #planet #earth #snow #ice

NASA's MESSENGER Satellite Captures Spectacular Color Mosaic of Mercury

Comet Lovejoy -Photographed Dec. 22, 2011 by NASA astronaut Dan Burbank while on board the International Space Station.

Giant solar flare. 2/24/2011

Comet Lovejoy

Orange Sand Dunes on Mars

Black Holes Have Simple Feeding Habits (NASA, Chandra, 6/18/08) by NASA's Marshall Space Flight Center, via Flickr

Celestial Fireworks - Hubble by Deep Space Photography - Resembling the puffs of smoke and sparks from a summer fireworks display in this image from NASA's Hubble Space Telescope, these delicate filaments are actually sheets of debris from a stellar explosion in a neighboring galaxy.

Orion's Dreamy Stars - NASA Spitzer Space Telescope

Death Star: Eta Carinae, one of the closest stars to Earth is huge and unstable and will likely explode in a supernova in the relatively 'near future' (On an astronomical timeline this could be a million years from now). via NASA #Eta_Carinae #Supernova #NASA

Photo of our beautiful planet Earth. Clouds over the Indian Ocean. Nasa.

Anna Fisher - chemist and NASA astronaut, with stars in her eyes on the cover of Life magazine in 1985. She was the first mother in space

Supernova N49 (NASA, Chandra, 11/29/2006)

In honor of NASA's 55th Anniversary we put together this infographic that shows NASA's planned expeditions through 2030.

Galaxies 'Coming of Age' in Cosmic Blobs (NASA, Chandra, 6/24/09)

Uranus

Trigger-Happy Star Formation (NASA, Chandra, 8/12/09). his composite image, combining data from the Chandra X-ray Observatory and the Spitzer Space Telescope shows the molecular cloud Cepheus B, located in our Galaxy about 2,400 light years from the Earth. A molecular cloud is a region containing cool interstellar gas and dust left over from the formation of the galaxy and mostly contains molecular hydrogen.

Milky Way over the Southern Ocean, Australia