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Astronomers may have uncovered how galaxies change their shape

Researchers may have answered a decades-old question about galaxy evolution. They have used the power of artificial intelligence (AI) to accomplish this. The Hubble Sequence classifies galaxy morphologies. With Hubble’s help, astronomers have been refining our understanding of galaxy evolution and morphology. By the 1970s, researchers...

The voids closest to us may not be entirely empty

The vast empty regions known as cosmic voids dominate the universe's large-scale structure. In the distribution of galaxies, these voids appear as holes hundreds of millions of light years across. New research indicates that many of them may still be filled with dark matter. At...

A dark stream sheds new light on the life of galaxies

The Dulais Structure is the remnants of a massive feeding event in the'recent' past. It is a dark stream illuminated by star clusters unlike any other in Andromeda. It demonstrates that galaxies grow by 'eating' smaller systems, and the findings contradict a more tame...

Webb draws back curtain on universe’s early galaxies

The James Webb Space Telescope (JWST) of NASA has discovered an unexpectedly rich realm of early galaxies. It had previously been largely hidden, beyond the reach of other telescopes. Researchers discovered two extremely bright galaxies that existed between 350 and 450 million years after the...

Student discovers a group of galaxies clustered together in the early universe

A group of galaxies in the very early universe were unintentionally found by an astronomy master's student while he was developing and testing astronomical software on existing data. The discovery not only shows the potential of the software but also sheds light on how...

ALMA discovers birth cry of a baby star in the Small Magellanic Cloud

Osaka Metropolitan University researchers discovered "baby stars" in the Small Magellanic Cloud, an environment similar to the early universe. They discovered molecular outflow near one of the baby stars, which has properties similar to those seen in the Milky Way galaxy, providing a new...