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Kepler 22-b: Earth-like planet confirmed |
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The Kepler space telescope was designed to look at a fixed swathe of the night sky, staring intently at about 150,000 stars. The telescope is sensitive enough to see when a planet passes in front of its host star |
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Scare tactics, calf can't get whale out of river |
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A wayward gray whale remained on California's Klamath River on Wednesday, even after its calf found its way back to sea and wildlife officials tried a scare tactic: blasting the sounds of its main predator, killer whales. |
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