Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. SS433 is one of the most exotic star systems known. Its unremarkable name stems from its inclusion in a catalog of stars which emit radiation characteristic of atomic hydrogen . Its very remarkable behavior stems from a compact object, a black hole or neutron star , which has produced an accretion disk with jets. Radiation from the jet tilted toward the observer is blueshifted, while radiation from the jet tilted away is redshifted .
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