国际新闻

A desert stirs to life: Chile's Atacama erupts in its biggest floral display in decades

来源: NPR Topics: World · 发布于

A desert stirs to life: Chile's Atacama erupts in its biggest floral display in decades
来源: NPR Topics: World

El Niño rains have transformed Chile's Atacama Desert into a spectacular sea of color, awakening a fleeting ecosystem of flowers and wildlife in one of the driest places on Earth. (Image credit: Tamara Merino for NPR)

El Niño rains have transformed Chile's Atacama Desert into a spectacular sea of color, awakening a fleeting ecosystem of flowers and wildlife in one of the driest places on Earth. (Image credit: Tamara Merino for NPR)

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Earth's gravity may have kept the early moon's volcanic heart beating
科学与环境

Earth's gravity may have kept the early moon's volcanic heart beating

We typically think of the moon as a static, floating object that has remained the same for basically its entire lifetime, with an occasional asteroid impact serving as an exception. That understanding is grounded in physics—the moon should have cooled rapidly after forming when a

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