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Crater and Magma, Mount St. Helens, Washington - Emmet Gowin | WikiOO.org - Encyclopedia of Fine Arts
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![During the Pascal-B nuclear test, a 1,984 pound steel plate was blasted off the top of a test shaft at a speed of more than 147,600 mph (6 times Earth's escape velocity, During the Pascal-B nuclear test, a 1,984 pound steel plate was blasted off the top of a test shaft at a speed of more than 147,600 mph (6 times Earth's escape velocity,](https://external-preview.redd.it/YyUF0eypoVg6cgjkyddEnwEvMf-EqjUW-ZvMlNkk1Ag.jpg?auto=webp&s=19b0f0269ff50dad44ff85d6e5cc30a0e1ff9a48)
During the Pascal-B nuclear test, a 1,984 pound steel plate was blasted off the top of a test shaft at a speed of more than 147,600 mph (6 times Earth's escape velocity,
![TIL during Operation Plumbbob's Pascal-B test, a steel plate was launched into the air at about 56 km/s, 5 times the speed of Earth's escape velocity, by a nuclear bomb : r/todayilearned TIL during Operation Plumbbob's Pascal-B test, a steel plate was launched into the air at about 56 km/s, 5 times the speed of Earth's escape velocity, by a nuclear bomb : r/todayilearned](https://external-preview.redd.it/6sTBd2kx1CaPiOwDzzNpLfUbxzAzsv7Q-LWfxTK297g.jpg?auto=webp&s=ea96a979035db0f238154ec2dabbe35f663cfdae)