Heron survey fishes out detail in ghostly galaxy outskirts

ScienceDaily
Oct 15, 2019, 1:14 pm9 pts
Astronomers have completed the largest survey to date of the faint outskirts of nearby galaxies, successfully testing a low-cost system for exploring these local stellar systems. The team find that the diameters of the galactic outskirts -- the haloes -- appear to correlate with the brightness and type of…

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