Pan: Cosmic leviathan @HubbleESA

HubbleWebbESA | Pan: Cosmic leviathan @HubbleESA | Uploaded June 2023 | Updated October 2024, 5 minutes ago.
This particular galaxy cluster is called eMACS J1823.1+7822, and lies almost nine billion light-years away in the constellation Draco. It is one of five exceptionally massive galaxy clusters explored by Hubble in the hopes of measuring the strengths of these gravitational lenses and providing insights into the distribution of dark matter in galaxy clusters. Strong gravitational lenses like eMACS J1823.1+7822 can help astronomers study distant galaxies by acting as vast natural telescopes which magnify objects that would otherwise be too faint or distant to resolve.

More information and download options: esahubble.org/videos/potw2319a

Credit:
ESA/Hubble & NASA, H. Ebeling
Music: Stellardrone - Billions and Billions

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Pan: Everything, in one place, all at once

$Pan of Pandora’s Cluster Astronomers estimate 50 000 sources of near-infrared light are represented in this image from the NASA/ESA/CSA James Webb Space Telescope. Their light has travelled through various distances to reach the telescope’s detectors, representing the vastness of space in a single image. A foreground star in our own galaxy, to the right of the image centre, displays Webb’s distinctive diffraction spikes. Bright white sources surrounded by a hazy glow are the galaxies of Pandora’s Cluster, a conglomeration of already-massive clusters of galaxies coming together to form a mega cluster. The concentration of mass is so great that the fabric of spacetime is warped by gravity, creating a natural, super-magnifying glass called a gravitational lens that astronomers can use to see very distant sources of light beyond the cluster that would otherwise be undetectable, even to Webb. More information and download options: http://esawebb.org/videos/weic2305a/ Credit: NASA, ESA, CSA, I. Labbe (Swinburne University of Technology), R. Bezanson (University of Pittsburgh), A. Pagan (STScI), N. Bartmann (ESA/Webb) Music: Stellardrone – Twilight$