The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs Within 40 Parsecs Using High-Resolution Spectra,” is what sets it apart.
A paper links dark stars to Webb telescope puzzles involving bright sources, dust-free galaxies, and early black holes.
The James Webb Space Telescope is now delivering what astronomers have chased for decades: a glimpse of the universe’s first generation of stars. By dissecting the light from a tiny, distant galaxy, ...
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