The hydrogen clumps known as the "string of pearls" appear as a ring of white dots around the teal center of the stellar remnant, still shining brightly due to the energy imparted by the supernova ...

"This discovery poses a challenge to the Lambda Cold Dark Matter model, which may struggle to account for the formation of such small, aligned groups of galaxies in isolated environments." When you ...

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Physicists often turn to the Rayleigh-Taylor instability to explain why fluid structures form in plasmas, but that may not be the full story when it comes to the ring of hydrogen clumps around ...