Surprising science

Ultra luminous X ray sources mystery

Ultra-luminous X-ray sources ULXs

Everything about Ultra luminous X ray sources (ULXs) seems to be a big surprise and mystery to science. Ultra-luminous X-ray sources (ULXs) are point sources in the sky that are so bright in X-rays that each emits more radiation than a million suns emit at all wavelengths. ULXs are rare. Most galaxies (including our own …

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