Researchers have proposed that neutron stars may be enveloped by thick clouds composed of theoretical particles known as axions. These axions, which remain undetected, are thought to have weak interactions with both regular matter and light, positioning them as a leading contender for the composition of dark matter. Neutron stars, due to their distinct gravitational characteristics, are considered excellent candidates for capturing these axion clouds. If the axions possess masses that fall within specific ranges, they could potentially be detected using existing telescopes, offering valuable insights into the elusive nature of dark matter.
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