A view toward the black hole in an X-ray binary and the X-rays we see that are reflected from the inner surface of the powerful outflow surrounding the hole. Credit: Alexander Mushtukov
Astronomers discovered that a well-known X-ray binary, whose exact nature has been a mystery to scientists until now, is actually a hidden ultraluminous X-ray source.
X-ray binary systems, which include a normal star and a compact object like a DOI: 10.1038/s41550-024-02294-9
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