This stunning image reveals a distant galaxy cluster teeming with energy: galaxies shine in visible light (white), ghostly red clouds unveil a newly discovered radio mini-halo—the most distant ever ...
Among the hundreds of billions of galaxies that stretch across the known universe, even the smallest members can reveal secrets about our cosmic history. But even as we discover new galaxies, ...
Only a fraction of the size of the Milky Way, these galaxies have thus far been too faint for most telescopes to spot. Among the hundreds of billions of galaxies that stretch across the known universe ...
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