“The galaxy clusters we examined are so massive that they bend light rays passing through their centre, as predicted by Einstein in 1915. And this in turn produces a kind of magnifying glass effect: the images of background galaxies are magnified.” Adélaïde Claeyssens, Department of Astronomy, Stockholm University
Revealed: The Oldest Star Clusters
The researchers studied the Sparkler galaxy located in Webb’s First Deep Field and used JWST to determine that five of the sparkling objects around it are globular clusters. Image credit: Canadian Space Agency with images from NASA, ESA, CSA, STScI; Mowla, Iyer et al. 2022.
80 Million Light-Years From Earth
The lazily winding spiral arms of the galaxy NGC 5921 snake across this image from the NASA/ESA Hubble Space Telescope.
Duncan Lunan looks at the origin of the Universe, and the different ways in which it may end.
A ‘Not So Close Encounter’
The twin galaxies NGC 4496A and NGC 4496B dominate the frame in this image from the NASA/ESA Hubble Space Telescope.
Galaxies Part 2
” a huge, complex pattern which has been given the Hawaiian name ‘Laniakea’, hundreds of millions of light-years in extent”
Galaxies Part 1
Event horizon of M87 black hole, 6 billion solar masses. Read on to find out more from astronomy expert Duncan Lunan
When two galaxies tidally interact
This image from the NASA/ESA Hubble Space Telescope feels incredibly three-dimensional for a piece of deep-space imagery.
The Milky Way
In this article Duncan Lunan writes about The Milky Way
In (3000) Galaxies Far Far Away
“The SAMI survey lets us see the actual internal structures of galaxies, and the results have been surprising.”Professor Croom