要点
- The team led by Durham University examined a galaxy dating back to 4.5 billion years after the Big Bang using James Webb Telescope data.
- A nuclear disk structure, previously unseen in such an early cosmic period, was discovered at the center of the galaxy.
- The discovery proves that, contrary to what was believed, galaxy evolution occurred much faster and formed complex structures in the early period.
- The findings are thought to potentially help in understanding the growth processes of supermassive black holes at the centers of galaxies.
数据一览
A study conducted by Durham University using data from the James Webb Space Telescope has made a significant discovery regarding the early universe. Scientists detected that even just 4.5 billion years after the Big Bang, highly complex structures forming stars existed at the centers of galaxies. This discovery shows that the evolution of galaxies occurred much faster than previously thought.
The researchers discovered a "nuclear disk," a dense, rotating structure actively forming new stars at the center of the observed galaxy. Although such disks are frequently found in modern mature galaxies, observing them in such an early period of the universe surprised the scientific world. The structure is thought to consist of a bar-shaped stellar structure extending across the galaxy, acting as a cosmic engine by pulling material towards the center.
These findings indicate that galaxies rapidly acquired their shapes by following similar evolutionary paths over billions of years. Furthermore, the possibility that nuclear disks act as gas reservoirs feeding the supermassive black holes at the centers of galaxies could also help in understanding the growth processes of black holes. The science team plans to continue studying the movements of stars and gas to understand exactly how the structure formed.
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常见问题
- What important structure was discovered by the researchers?
- A nuclear disk, which is a dense, rotating structure actively forming new stars, was discovered at the center of the examined galaxy.
- Why is this discovery surprising for scientists?
- Although nuclear disks are frequently seen in modern mature galaxies, they were not expected to be observed in such an early period, just about 4.5 billion years after the Big Bang.
- What is the relationship of the discovery with black holes?
- It is thought that nuclear disks function over time as gas reservoirs feeding the supermassive black holes at galaxy centers; therefore, the discovery could contribute to the understanding of black hole growth.