This image shows the eruption of a galactic "super-volcano" in the massive galaxy M87, as witnessed by NASA's Chandra X-ray Observatory and NSF's Very Large Array (VLA).
这幅图像显示了M 87大质量星系里的一次极大的“超级火山”喷发。NASA的钱德拉X射线望远镜和国家科学基金会(nsf)的超大阵列(VLA)目击了此景。
A section of the super volcano under Yellowstone erupts after thousands of years, putting millions at risk.
在黄石下的超级火山的一段在数千年后爆发，使数百万人处于危险之中。
A section of the super volcano under Yellowstone erupts after thousands of years, putting millions at risk.
在黄石下的超级火山的一段在数千年后爆发，使数百万人处于危险之中。
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