A rare, extremely energetic cosmic ray has mysterious origins

In 1991, physicists spotted a cosmic ray with so much energy it warranted an ‘OMG.’ Now that energetic particle has a new companion.

What is the evidence that ultra high-energy cosmic rays originate from space, and not from Earth or the Sun? - Quora

The origins of money are murky and mysterious

Cosmic mystery

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Ring around the Pulsar: Planets may form in a harsh environment

Mysterious high-energy particles could come from black hole jets

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First wine produced from Khindogni variety, collected in Azerbaijan's Khojavend

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