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2012 August 15 - Curiosity on Mars: A Wall of Gale Crater. Discover the cosmos!

2012 August 15 - Curiosity on Mars: A Wall of Gale Crater

Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 August 15. NOVA Online/Curse of T. rex. A Guide to the Orders of Trilobites. Find Dinosaur Pictures - Illustrations of Dinosaurs - Dinosaurios - Dinosaur Art.