These high cliffs occur on the surface of a comet. They were discovered to be part of the dark nucleus of Comet Churyumov–Gerasimenko (CG) by Rosetta, a robotic spacecraft launched by ESA which began orbiting the comet in early August.
Colored scanning electron micrograph (SEM) of squamous cell carcinoma (cancer) cells from a human mouth. The many blebs (lumps) and microvilli (small projections) on the cells' surfaces are typical of cancer cells. ~ Our World Through A Microscope
Here’s a striking view of Sarychev Volcano in Kuril Islands of Japan going through its early stage of eruption, taken from the orbit of the International Space Station in June For more info on this picture, head over to NASA’s Earth Observatory!
The spinning vortex of Saturn's north polar storm resembles a deep red rose surrounded by green foliage in this false-color image from NASA's Cassini spacecraft. The storm's eye is about miles kilometers) across with cloud speeds as fast as 330 mph kph).
Previous Pinner states - I've seen these twice on field schools. Pictographs in The Great Gallery, Canyonlands National Park, Utah USA. These pictographs are thought to have been made by the Anasazi Native Americans ('Indians') around years ago.