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The new image shows "ultra-luminous X-ray sources" (ULXs) studding the spiral galaxies NGC 2207 and IC 2163, which are grazing each other about 130 million light-years from Earth, in the constellation Canis Major.
When an 8-year-old boy's blood tests showed he had unusually high levels of lead, doctors began to look for the source of the toxic heavy metal. After some searching, the source of the lead was found in an unlikely place.