#james webb telescope

All articles tagged with "james webb telescope"

Webb and Hubble Reveal Saturn's Atmosphere Layer by Layer

NASA's James Webb and Hubble space telescopes have combined infrared and visible-light observations to produce the most comprehensive view of Saturn ever captured, revealing atmospheric features across multiple altitudes simultaneously.

Key Takeaways

Webb infrared and Hubble visible-light observations were combined to map Saturn's atmosphere at multiple altitudes simultaneously
Images reveal the Ribbon Wave jet stream, remnant of the 2010 Great Storm, and parts of the North Polar Hexagon

DT Editorial Team·Mar 26, 2026·via science.nasa.gov

How Giant Galaxies Formed Just 1.4 Billion Years After the Big Bang

New observations are forcing astronomers to rethink models of galaxy formation after discovering massive galaxies that existed when the universe was only 1.4 billion years old. These ancient giants shouldn't exist according to standard cosmological models, prompting a reassessment of how quickly structure can emerge in the early universe.

Key Takeaways

JWST has found galaxies with tens of billions of solar masses existing just 1.4 billion years after the Big Bang
Standard models predict such massive galaxies should take many billions of years to form

DT Editorial Team·Feb 26, 2026·5 min read·via universetoday.com