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Memolition - Explore. Dream. Discover.

Comet Lemmon near the South Celestial Pole

Image Credit & Copyright: Peter Ward (Barden Ridge Observatory)Explanation: Currently sweeping through southern skies, Comet Lemmon (C/2012 F6) was named for its discovery last year as part of the Mount Lemmon (Arizona) Survey. Brighter than expected but still just below naked-eye...

Typhoon Nabi

Photograph by NASA   (3 September 2005) — Typhoon Nabi is featured in this image photographed by an Expedition 11 crewmember on the International Space Station, as it swirls in the Pacific Ocean, heading toward...

The moon illusion

Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size — so why do we perceive them differently? Scientists aren’t sure, but there are plenty of intriguing theories. Andrew Vanden Heuvel unravels the details of focus, distance and proportion that contribute to this mystifying optical illusion.