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Explore 2012 Afternoon, Afternoon Evening and more!

Here's what the Transit of Venus will look like in an Diego on Tuesday 6/5/2012 afternoon/evening.

'Supermoon' Fills Sky

Bill Ingalls/NASA via Getty Images A full moon lights the sky as a United States Marine Corps helicopter flies past the U.S. Capitol on February 7, 2012, in Washington, DC.

Venus and the Sisters (Apr 6 2012) Image Credit & Copyright: Fred Espenak (Bifrost Astronomical Observatory) After wandering about as far from the Sun on the sky as Venus can get, the brilliant evening star crossed paths with the Pleiades star cluster earlier this week. The beautiful conjunction was enjoyed by skygazers around the world. Taken on April 2, this celestial group photo captures the view from Portal, Arizona, USA (...) #astronomy

Amazing Space Photography by Astronaut Andre Kuipers----------------Lake Powell, Monument Valley, Las Vegas and the Canyons from Space

Are Super-Earths Really Mini-Neptunes? This group of planets are all a few times more massive and slightly larger than the Earth. They orbit very close to their respective stars. The way in which the mass of planets scales with their sizes suggests that they have solid cores surrounded by hydrogen or hydrogen-rich atmospheres, probably captured from the clouds of gas and dust (nebulae) from which the planets formed. An artist's impression comparing the super-Earth 55 Cancri e to the…