A SONIC BOOM over London startled people in their sleep, sparking fears of an explosion in the capital – but what is a sonic boom and what caused the loud explosion?
Sunday 1 December 2019
Sonic boom London: What is a sonic boom? What causes a sonic boom explosion?
A SONIC BOOM over London startled people in their sleep, sparking fears of an explosion in the capital – but what is a sonic boom and what caused the loud explosion?
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