New images from NASA’s James Webb Space Telescope offer an interesting perspective on the phenomenon of “gravitational lensing” in the universe.
Attractive lens is the literal deformation of space-time. The European Space Agency (ESA) explains that this phenomenon occurs when a massive object or structure, such as a black hole or a cluster of galaxies, distorts spacetime enough that light bends clearly around it. .
One of the consequences of gravitational lensing is magnifying effectallowing astronomers to study objects that are too faint or too far away.
Galaxy cluster SDSS J1226+2149 is distorted due to gravitational lensing
Galaxy cluster SDSS J1226+2149 is distorted by gravitational lensing. (Photo: NASA/ESA)
Galaxy cluster SDSS J1226+2149 shown in this image 6.3 billion light-years away in the constellation of Hau Phat. Thanks to the sensitivity of the James Webb Space Telescope’s near-infrared IRCam camera and the gravitational lensing phenomenon caused by the foreground galaxy cluster, the brightness of SDSS J1226+2149 is greatly magnified and shown below. “a long, bright, distorted arc“like a seahorse.
This magnification allows astronomers to observe SDAS J1226+2 more clearly to study the characteristic environment of the galaxy cluster and the star formation within it.
Location of galaxy cluster SDSS J1226+2149 in the sky. (Video: HubbleWebbESA)
The new observations not only demonstrate Webb’s abilities, but also provide valuable detailed data sets for the astronomical community. ASA expects advanced tools from Webb with “Crystal Vision” will open up new understandings of gravitational lensing and the formation of distant objects.
Article source: VnExpress
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New images from NASA’s James Webb Space Telescope offer an interesting perspective on the phenomenon of “gravitational lensing” in the universe.
