01 June 2020
Giant magnetic spots discovered on small super-hot stars
... objects come in pairs, however astronomers have found that when observed in tightly packed stellar groups called globular clusters, the vast majority of EHB stars do not appear to have companions. Hoping to decipher this and other unusual...
September 2017
Binary stars and their extraordinary lives
...stars called blue stragglers. These stars were first identified in globular clusters where all stars have the same age and, correspondingly,...and should instead be dim white dwarfs. Yet, many clusters have been discovered to house stars which are too ...
February 2022
Revolution and responsibility: the challenges of space
... NASA/ESA Hubble Space Telescope’s Wide Field Camera 3 and Advanced Camera for Surveys, contains the globular cluster ESO 520-21 (also known as Palomar 6). Astronomers tell us that the observable universe has between 100 and...
02 November 2018
Scientists unravel the formation history of the Milky Way
... smaller than the current Milky Way, it was still large; large enough to have collections of stars called globular clusters trailing after it. And, because 10 billions years ago our galaxy was also smaller, much, much smaller...
25 May 2020
Clashing galaxies may have triggered Solar System formation says new study
.... One such disrupter is Sagittarius, an elliptical loop-shaped satellite galaxy of the Milky Way that contains four globular clusters. Located around 20 kiloparsecs (65 light years) away, past studies had showed that Sagittarius had not only...
07 December 2020
New Gaia data measures Solar System's acceleration
...’s more recent past. The Sagittarius dwarf galaxy is a satellite galaxy of the Milky Way, that contains four globular clusters. It has a looping, spiralling path, and researchers believe it has passed through the plane of the Milky Way...
