X-ray sources in the galactic centre

This dazzling Chandra X-ray image shows a multitude of X-ray sources in our galaxy's centre. While most of these sources are from black holes and neutron stars, scientists have found that most of the X-rays in our galaxy come from millions on relatively dim sources that cannot be imaged, namely white dwarfs and stars with active coronas. (Credit: NASA/UMass/D.Wang et al.)

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