Scientists have made a remarkable discovery about neutron stars, which could help answer some of the biggest questions about the universe. By studying the X-rays emitted by a neutron star, researchers have been able to reveal the existence of a previously unknown type of particle, the “photon”. This particle has been theorized to exist for some time, but had never been observed until now. The discovery could help explain the mysteries of dark matter and the nature of gravity, and could point to new ways of studying the cosmos.

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source: Phys.org