10 years, 5 months ago

Signal from space may be elusive dark matter

An unusual signal picked up by a European space observatory could be the first direct detection of dark matter particles, astronomers say. The web of dark matter that stretches through space Sis believed to give the cosmos its structure, although so far it has eluded direct detection by physicists. Researchers at Leicester University spotted the curious signal in 15 years of measurements taken by the European Space Agency’s orbiting XMM-Newton observatory. They noticed that the intensity of x-rays recorded by the spacecraft rose by about 10 per cent whenever it observed the boundary of Earth’s magnetic field that faces towards the sun.

The Hindu

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