Astronomers have an intriguing idea for searching for dark matter, measuring the effect of particle self-annihilation inside various astronomical objects, from planets to stars and even white dwarfs. Now, astronomers are suggesting that dark matter annihilation should have a noticeable effect on the temperature of neutron stars. Dark matter could be collecting inside the intense gravity wells of neutron stars, annihilating and making them hotter than they should be.

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