The deepest hole ever drilled reached 7. …
The deepest hole ever drilled reached 7.6 miles (12.3 km) before drilling was stopped because the temperature at that depth became too high at 356°F (180°C).
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Weirdo
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The deepest hole ever drilled reached 7.6 miles (12.3 km) before drilling was stopped because the temperature at that depth became too high at 356°F (180°C).