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WWII bombing raids 'shook the edge of space'

WWII bombing raids 'shook the edge of space'

Technology
Shock waves from bombing raids on Germany during the Second World War were powerful enough to alter the atmosphere at the edge of space, scientists have discovered. Cities such as Dresden and Hamburg were reduced to rubble and ash by the devastating explosions, with new research suggesting the blasts disturbed the ionosphere hundreds of miles above Earth.The bombing raids by the Allies had begun in 1942 and included the so-called Grand Slam, which weighed 10 tonnes.The ionosphere, which extends from an altitude of about 50km (31 miles) to 1,000km (620 miles), is electrified by radiation from the sun and space, and its charge was significantly weakened at the height of the bombings. Image: US bombers over Germany preparing for a s...