Laura Durrant
answered on 6 Mar 2025:
last edited 6 Mar 2025 16:03
Yes! No one knew what caused it for quite a long time, so there was a lot of mystery around it. Another interesting scientific mystery is the ‘Wow!’ signal, which was an unusual radio wave received from deep space back in 1977. There’s some speculations on where it may have come from, but to this day the answer is still unknown…
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