Fifty years ago, a meteorite fell to Earth and landed in Australia, carrying stardust that formed between five to seven billion years ago. That makes it the oldest solid material ever discovered on Earth.
원문출처 : https://www.cnn.com/2020/01/13/world/oldest-material-earth-meteorite-scn/index.html
원문출처 : https://www.cnn.com/2020/01/13/world/oldest-material-earth-meteorite-scn/index.html