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Actually a manhole cover might have preceded the pellets, and Sputnik too, on August 27. https://en.wikipedia.org/wiki/Operation_Plumbbob#Propulsion_of_steel_p
by pinewurst 11y ago
Actually a manhole cover might have preceded the pellets, and Sputnik too, on August 27.
https://en.wikipedia.org/wiki/Operation_Plumbbob#Propulsion_of_steel_plate_cap https://en.wikipedia.org/wiki/Operation_Plumbbob#Propulsion_...
- mrestko 11y agoSputnik orbited, it didn't reach escape velocity to leave the influence of Earth's gravity.
- baldfat 11y agoThe plate was never found, but Dr. Brownlee believes that the plate never left the atmosphere, as it may even have been vaporized by compression heating of the atmosphere due to its high speed.