Cosmic dawn came pre-polluted: JWST reveals heavy elements just 500 million years after the Big Bang
New JWST observations reveal that galaxies were already producing and expelling heavy elements such as carbon and oxygen into intergalactic ...
New JWST observations reveal that galaxies were already producing and expelling heavy elements such as carbon and oxygen into intergalactic ...
A JWST survey has uncovered a seventeen-galaxy overdensity near the end of reionization whose extreme metal poverty may preserve the ...
© 2025 Scienmag - Science Magazine
© 2025 Scienmag - Science Magazine