At https://www.livescience.com/space/astronomy/james-webb-telescope-finds-vanishing-galaxy-from-the-dawn-of-the-universe … the James Webb Space Telescope finds a vanishing galaxy from the dawn of the universe. It kept disappearing from observations – but not from James Webb. It is thought to have originated 900 million years after Big Bang, when the universe was turning on its very first stars. One might wonder if there are more stars beyond the distance James Webb is able to peer. The new galaxy is just a hazy speck of light – a mere smudge on the horizon. It seems the early universe was much more dusty than realised. It is hoped that James Webb will be able to see right through such dust and gas and discover what is beyond, now out of sight.We can only await the results.
At https://www.livescience.com/space/cosmology/intergalactic-stream-of-stars-10-times-longer-than-the-milky-way-is-the-1st-of-its-kind-ever-spotted …. astronomers looking for dark matter accidentally stumbled upon the first known stellar stream stretching between galaxies. The trail of stars is the longest ever seen – ten times the length of the Milky Way. It has been given a name – the Giant Coma Cluster. It is thought more of these structures exist out in deep space.
At https://www.sciencedaily.com/releases/2023/12/231212163407.htm … the James Webb telescope again. It has now had a look at an exploded star – a supernova remnant, Cassiopea A. It gleams back at the telescope in a new image. The gleam is thought to be the actual explosion – and the dying star shattered, leaving behind filaments. See what you think.