Technology
A high-altitude telescope just changed what we know about black holes
2025-11-23 02:16
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Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling arou...
Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling around black holes. The team also captured data from the Crab pulsar and achieved multiple technical breakthroughs during the 2024 mission. Another flight from Antarctica is expected to expand this cosmic investigation.
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