The stars are held close together by gravity and all orbit the centre of the cluster. According to co-author Aaron Romanowsky, this ability to see a galaxy formed only 4 billion years after the Big Bang can help us understand the formation of globular clusters.Įarlier we reported on how James Webb suffered from a serious failure.Īccording to Monthly Notices of the Royal Astronomical Society. A globular cluster is a huge, sphere of stars. The researchers could get a better look at it using the technique of gravitational lensing, which meant that they saw it as it was about 9 billion years ago. Its light takes billions of years to reach us. “We are excited by this unique opportunity to study both the formation of globular clusters, and an infant Milky Way, at a time when the Universe was only 1/3 of its present age,” said lead author Duncan Forbes from Swinburne University in Australia. According to forecasts, over time it will grow to the mass of the Milky Way. But this small galaxy is growing, actively absorbing neighboring moon galaxies and globular clusters. The intense gravitational attraction between the closely packed. Globular clusters are stable, tightly gravitationally bound clusters of tens of thousands to millions of stars found in a wide variety of galaxies. In the case of the Sparkler Galaxy, it has only 3% of the mass of the Milky Way and only 24 globular clusters. The globular cluster Terzan 2 in the constellation Scorpio is featured in this observation from the NASA/ESA Hubble Space Telescope. It also contains about 200 globular clusters of stars. During its lifetime, the Milky Way grew because more and more stars were formed, until it reached its current mass of about 1.5 trillion solar masses. The Milky Way is one of the oldest in the Universe – it is about 13 billion years old. These two methods are more accurate than the classical isochrone fitting. An artistic representation of our Milky Way galaxy in its youth. We review two new methods to determine the age of globular clusters (GCs). Globular clusters orbit the Milky Way galaxy outside the galactic disk at tens of. ![]() ![]() The data obtained made it possible to understand what our galaxy was like in the years of its “youth”. M13 is a globular star cluster, a huge globe-shaped stellar city teeming with hundreds of thousands of stars. ![]() The peculiarity of this object is that it is a young copy of our Milky Way galaxy in the distant past, when it was smaller and lighter. What is a globular star cluster Why are clusters better than individual stars for creating a 3-dimensional view of our galaxy How are globular clusters. The James Webb Space Observatory has discovered an interesting find – a galaxy called Sparkler Galaxy. Globular clusters are scattered around galaxies, but they aren’t all of the same age, and move in very different orbits around the galactic center.
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