Trái đất bị bóp méo vì trọng lực thay đổi?
Cập nhật: 08:08 22/03/2012 GMT+7
Việc băng tan chảy nhanh tại Bắc cực đã gây ra một hiệu ứng “bóp méo” lên lực hấp dẫn của Trái đất, NASA tuyên bố.
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