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Analyzing a planetary system that closely resembles our solar system, astronomers find habitable worlds are unlikely
Of all the extrasolar planetary systems detected by astronomers in recent years, the star 47 Ursae Majoris and its known companions, two Jupiter-sized planets, is the one that most closely resembles our own solar system. Computer simulations now show, however,…
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White sharks migrate thousands of miles across the sea, new study finds
A new study is shattering old beliefs about the great white shark–one of the largest, most awe-inspiring predators in the sea. Scientists have long believed that these powerful carnivores spend most of their lives relatively close to shore, pursuing seals…