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How did this 20-light-year-wide 'Diamond Ring' form in space? Maybe a cosmic bubble burst
In the constellation Cygnus, a bright knot of stars seems to adorn one edge of a nearly perfect 20-light-year-wide circle, ...
A structure of gas and dust, found in the constellation Cygnus, resembled a glowing diamond ring, and astronomers observed ...
8don MSN
A sparkling ‘Diamond Ring’ in space: Astronomers in Cologne unravel the mystery of a cosmic ring
The structure of gas and dust resembles a glowing diamond ring / Computer simulations and observations made on board the ...
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