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Earth As Art: Algae & A Dry LakebedEtosha Pan in Namibia rarely receives the water that flows down its tributaries.
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FAQ: Will NASA Settle Debate Over Existence of Giant Planet 'Tyche'?Here’s a look at NASA debate over the existence of the giant planet Tyche, and whether NASA spacecraft WISE will play a role in resolving the debate.
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FAQ: Inside NASA's Climate-Watching Glory MissionThe ins and outs of the Glory mission.
