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Puzzle of SS433: both a blue shift and a red shift
Physics Today, 1979Recent observations confirm that a fourteenth-magnitude “peculiar” star in our galaxy is a bizarre object indeed, the like of which has not been seen before. Its spectrum exhibits hydrogen (Balmer) and helium emission lines with red and blue shifts indicating velocities up to 50 000 km/sec (0.17c), and these shifts vary roughly sinusoidally with a ...
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Climate change impacts on plant pathogens, food security and paths forward
Nature Reviews Microbiology, 2023Brajesh K Singh +2 more
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