| | One of the rovers in Japan's Hayabusa2 mission caught this image yesterday as it bounced after landing on asteroid Ryugu. The bright white region - and blue area - are distortions, caused by sunlight. Image via JAXA/Hayabusa2. | | |
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Birds flying south. How many will return? | | Contrary to popular thought, birds wintering in the tropics survive the winter better than birds wintering in the U.S. That's despite the fact that tropical wintering birds migrate 3 to 4 times farther. Read more. | | |
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