Unlike active galactic nuclei (AGN) that emit lethal levels of X-ray radiation, the centers of the Milky Way and these little ...
Captured by Webb’s NIRCam, composite images use infrared filters to sample light wavelengths. Monochromatic exposures were assigned the colors red, green and blue ...
When astronomers glimpsed the first images from the James Webb Space Telescope (JWST) in July 2022, they saw the kind of universe most of them have come to expect. There were dazzling blue bursts of ...
Like tiny photobombers, cosmic anomalies resembling small, bright red points show up in almost every snapshot taken by the most powerful space telescope ever made. Astronomers now call them little red ...