标签: Earth’s

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Reversal of Earth’s magnetic poles may have triggered Neanderthal extinctionand it could happen again

9 观看次数0 注释

The reversal of Earth's magnetic poles, along with a temporary breakdown of the world's magnetic field about 42,000 几年前, could have triggered a raft of environmental changes, solar storms and the extinction of...

地球上的第一个哺乳动物比现代哺乳动物更轻松,而且寿命更长

72 观看次数0 注释

地球上最早的哺乳动物比现代哺乳动物更轻松地度过生活, 但他们活了很多, 分析了大约2亿年历史的牙齿. 使用X射线技术, 古旧...

A new mini-moon is about to join Earth’s orbit. It could be a booster rocket from the 60s

86 观看次数0 注释

A mini-moon is on track to enter Earth's orbit and come as close as 27,000 几英里以外. 然而, rather than some asteroid that will orbit around the Earth, it may actually just be some old space junk that made its w...