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Arp 299: Galactic Goulash

June 28, 2017 starjunkie 0

Credit: X-ray: NASA/CXC/Univ of Crete/K. Anastasopoulou et al, NASA/NuSTAR/GSFC/A. Ptak et al; Optical: NASA/STScI What would happen if you took two galaxies and mixed them together over millions of years? A new image including data […]

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‘Pompom’ stars may solve quasar puzzle

June 28, 2017 starjunkie 0

Schematic graphic of quasar twinkling. Credit: M. Walker (artwork), CSIRO (photo) Gas filaments surrounding stars like the strands of a pompom may be the answer to a 30-year old mystery: why quasars twinkle. Dr Mark […]