Diamond Member SpaceMan 0 Posted June 4, 2025 Diamond Member Share Posted June 4, 2025 This is the hidden content, please Sign In or Sign Up X-ray: NASA/CXC/CfA/Stroe, A. et al.; Optical: PanSTARRS; Radio: ASTRON/LOFAR; Image Processing: NASA/CXC/SAO/N. Wolk New observations from NASA’s Chandra X-ray Observatory and other telescopes have captured a rare cosmic event: two galaxy clusters have collided and are now poised to head back for another swipe at each other. Galaxy clusters are some of the largest structures in the Universe. Held together by gravity, they are monster-sized collections of hundreds or thousands of individual galaxies, massive amounts of superheated gas, and invisible dark matter. The galaxy cluster PSZ2 G181.06+48.47 (PSZ2 G181 for short) is about 2.8 billion light-years from Earth. Previously, radio observations from the LOw Frequency ARray (LOFAR), an antenna network in the Netherlands, spotted parentheses-shaped structures on the outside of the system. In this new composite image, X-rays from Chandra (purple) and ESA’s XMM-Newton (blue) have been combined with LOFAR data (red) and an optical image from Pan-STARRs of the stars in the field of view. These structures are probably shock fronts — similar to those created by jets that have broken the sound barrier — likely caused by disruption of gas from the initial collision about a billion years ago. Since the collision they have continued traveling outwards and are currently separated by about 11 million light-years, the largest separation of these kinds of structures that astronomers have ever seen. This is the hidden content, please Sign In or Sign Up Colliding galaxy clusters PSZ2 G181.06+48.47 (Labeled).X-ray: NASA/CXC/CfA/Stroe, A. et al.; Optical: PanSTARRS; Radio: ASTRON/LOFAR; Image Processing: NASA/CXC/SAO/N. Wolk Now, data from NASA’s Chandra and ESA’s XMM-Newton is providing evidence that PSZ2 G181 is poised for another collision. Having a first pass at ramming each other, the two clusters have slowed down and begun heading back toward a second ******. Astronomers made a detailed study of the X-ray observations of this collision site and found three shock fronts. These are aligned with the axis of the collision, and the researchers think they are early signs of the second, oncoming ******. The researchers are still trying to determine how much mass each of the colliding clusters contains. Regardless, the total mass of the system is less than others where galaxy clusters have collided. This makes PSZ2 G181 an unusual case of a lower-mass system involved in the rare event of colliding galaxy clusters. This is the hidden content, please Sign In or Sign Up appears in a recent issue of The Astrophysical Journal (ApJ) and is led by Andra Stroe from the Center for Astrophysics | Harvard & Smithsonian (CfA) and collaborators. It is part of a series of three papers in ApJ. This is the hidden content, please Sign In or Sign Up is led by Kamlesh Rajpurohit, also of CfA, and This is the hidden content, please Sign In or Sign Up is led by Eunmo Ahn, from Yonsei University in the Republic of Korea. NASA’s Marshall Space Flight Center in Huntsville, Alabama, manages the Chandra program. The Smithsonian Astrophysical Observatory’s Chandra X-ray Center controls science operations from Cambridge, Massachusetts, and flight operations from Burlington, Massachusetts. Read more from NASA’s Chandra X-ray Observatory Learn more about the Chandra X-ray Observatory and its mission here: This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up Visual Description In this release, a composite image illustrates a dramatic cosmic story unfolding 2.8 billion light years from Earth. Presented both with and without labels, the image details the fallout when two galaxy clusters collide. At the center of the image are the colliding galaxy clusters, which together are known as PSZ2 G181. This combined cluster somewhat resembles an irregular violet peanut shell, with bulbous ends linked by a tapered middle. Inside each bulbous end are several glowing dots; some of the galaxies within the clusters. The violet peanut shape is tilted at a slight angle, surrounded by a blue haze of X-ray gas. Far from the bulbous ends, at our upper left and lower right, are two blotchy, thick red lines. These are probably shock fronts, similar to those created by jets that have broken the sound barrier. Bracketing the combined galaxy cluster, these shock fronts were caused by the initial collision about a billion years ago. They are currently separated by 11 million light-years. New data from the Chandra and XMM-Newton observatories suggests that PSZ2 G181 is poised for another powerful cosmic event. Having already taken one swipe at each other, the two clusters within are once again on a collision course. News Media Contact Megan WatzkeChandra X-ray CenterCambridge, Mass.617-496-7998*****@*****.tld Lane FigueroaMarshall Space Flight Center, Huntsville, Alabama256-544-0034lane.e*****@*****.tld Share Details Last Updated Jun 04, 2025 Related Terms This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up Explore More This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up Article 36 mins ago This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up Article 1 day ago This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up Article 1 day ago Keep Exploring Discover More Topics From NASA Universe This is the hidden content, please Sign In or Sign Up IXPE This is the hidden content, please Sign In or Sign Up Stars This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up Solar System This is the hidden content, please Sign In or Sign Up This is the hidden content, please Sign In or Sign Up For verified travel tips and real support, visit: https://hopzone.eu/ 0 Quote Link to comment https://hopzone.eu/forums/topic/268696-nasa-galaxy-clusters-on-course-to-crash-again-nasa%E2%80%99s-chandra-finds/ Share on other sites More sharing options... Join the conversation You can post now and register later. If you have an account, sign in now to post with your account. Unfortunately, your content contains terms that we do not allow. Please edit your content to remove the highlighted words below. Reply to this topic... × Pasted as rich text. Paste as plain text instead Only 75 emoji are allowed. × Your link has been automatically embedded. Display as a link instead × Your previous content has been restored. Clear editor × You cannot paste images directly. Upload or insert images from URL. Insert image from URL × Desktop Tablet Phone Submit Reply Share https://hopzone.eu/forums/topic/268696-nasa-galaxy-clusters-on-course-to-crash-again-nasa%E2%80%99s-chandra-finds/ More sharing options... Followers 0 Go to topic listing Most Contributions Pelican Press 196643 Steam 69621 Editor 12042 Kotaku 6882 SpaceMan 2712 Vote for the server To vote for this server you must login. Sign In or Sign Up Login with Discord Sign in with VK.com Sign in with Facebook Sign in with Google Sign in with LinkedIn Sign in with Microsoft Sign in with X Sign in with Steam Recently Browsing 0 members No registered users viewing this page. News All Activity Home Forums World Discussion World News [NASA] Galaxy Clusters on Course to Crash Again, NASA’s Chandra Finds
Recommended Posts