Science, Space and Technology News 2024
This James Webb Space Telescope image of quasar RX J1131-1231 highlights gravitational lensing, magnifying the quasar to allow detailed study of its properties and the surrounding dark matter. X-ray emissions suggest the black hole is rapidly spinning, likely due to galaxy mergers. Credit: ESA/Webb, NASA & CSA, A. Nierenbergimage features the gravitational lensing of the quasar known as RX J1131-1231, located roughly six billion light-years from Earth in the constellation Crater.
The James Webb Space Telescope has captured an image of the quasar RX J1131-1231, which is located six billion light-years away and demonstrates the effects of gravitational lensing, magnifying the distant quasar into a bright arc and multiple images. Credit: ESA/Webb, NASA & CSA, A. Nierenberg Measurements of the X-ray emission from quasars can provide an indication of how fast the central black hole is spinning and this gives researchers important clues about how black holes grow over time. For example, if a black hole grows primarily from collisions and mergers between galaxies, it should accumulate material in a stable disc, and the steady supply of new material from the disc should lead to a rapidly spinning black hole.
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