US EditionThe origins of the universe, explained
- Astronomers have identified a bright hydrogen emission from the galaxy JADES-GS-z13-1, observed 330 million years after the Big Bang, which challenges current theories of early galaxy development.
- The James Webb Space Telescope detected Lyman-α radiation from JADES-GS-z13-1, implying an early transition to the epoch of reionization.
- The galaxy measures 230 light-years wide, providing evidence of an early cosmic era, sparking new inquiries into the transition time from opacity to transparency in the universe.
- The findings indicate that the light may come from intense star formation or a supermassive black hole, marking a new frontier in understanding the universe's early history.
52 Articles
52 Articles
Giant, spinning galaxies go back a whopping 12 billion years
One tremendous question puzzling astronomers is, “how did the Universe grow up?” At the start of the hot Big Bang, the Universe was rapidly expanding and filled with high-energy, very densely packed, ultra-relativistic quanta. An early stage of radiation domination gave way to several later stages where radiation was sub-dominant, but never went away completely, while matter then clumped into gas clouds, stars, star clusters, galaxies, and even…
James Webb telescope finds 'totally unexpected' ancient galaxy that defies theory
Scientists studying one of the earliest known galaxies using the James Webb Space Telescope have found that the universe's Era of Reionization may have occurred much earlier than previously thought.
James Webb Space Telescope Reveals ‘Cosmic Tornado’ and Hidden Galaxy in Striking New Images
In a stunning display, a new James Webb Space Telescope (JWST) composite image juxtaposes two cosmic elements, the protostar outflow jet Herbig-Haro 49/50 (HH 49/50) and a colorful spiral galaxy against the twinkling background of space. The image combines observations from JWST‘s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI), finally resolving a mysterious blue feature first seen at the end of the cosmic jet in 2006. The spec…
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