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今日图片
Portrait of a French lady, Magdaleine Pinceloup de la Grange, represented with her Chartreux cat in 1747 by artist Jean-Baptiste Perronneau. Today is International Cat Day.
今日影音
How Earth's tectonic plates and lands may have been positioned and moved in the past: an animated video of a full-plate tectonic model extended one billion years into the past.
It is a result of the 2020 study "Extending full-plate tectonic models into deep time". 参与
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每月照片挑战
拍些照片并上传,参与我们每个月的专题挑战,获得灵感,并尝试新的主题!按此了解本挑战! 亮点
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