スミソニアン博物館のインスタグラム(smithsonian) - 6月4日 07時32分

DYK humans are closer in time to the T. rex than T. rex is to Stegosaurus?
We're just a tiny part of #DeepTime. What is normally thought of as history is only a small fraction of Earth’s actual past. Earth’s history has played out over billions of years in what scientists call "Deep Time." @smithsoniannmnh's new #DeepTime fossil hall opens June 8. Get a sneak peek in our Instagram Story.

[BIHAKUEN]UVシールド(UVShield)

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