Content tagged "galaxy formation".
3 items (3 articles, 0 stories)
Just 300 million years after the Big Bang, a galaxy rivaling the Milky Way in 'maturity' already existed. JADES-GS-z14-0, discovered by JWST, is challenging the foundations of cosmology.
Ten billion years ago, galaxies were churning out stars at a furious pace. Where did all that fuel come from? HETDEX has found 33,000 hydrogen halos, and they're beginning to answer one of astronomy's oldest questions.
A spiral galaxy nearly identical to the Milky Way was found just 1.5 billion years after the Big Bang. Here's what JWST's stunning discovery means for galaxy formation — and why the old theories are struggling to keep up.