Using NASA's Chandra X-ray spacecraft, astronomers have performed deep X-ray observations of a galactic globular cluster known as NGC 6540. The new observational campaign, described June 1 on the preprint server arXiv, focused on disentangling the nature of a peculiar X-ray flare emitted by the ...

Source: [Phys.org](https://phys.org/news/2026-06-chandra-ngc-mysterious-ray-flare.html)

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