Astronomers stunned by “galactic building blocks” never seen before in the cosmos – Futura-Sciences
May 13, 2026
3 min
The galaxy cluster MACS J1423, pictured here, acts as a gravitational lens, allowing astronomers to study distant galaxies like Firefly Sparkle in otherwise inaccessible detail. © NASA, ESA, CSA, STScI, C. Willott (NRC-Canada), L. Mowla (Wellesley College), K. Iyer (Columbia)
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