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'Lopsided' Ghostly Galactic Halo Has Some Starry Surprises - Universe Today
Centaurus A — that popular target for astrophotographers in the southern hemisphere — has a much wider halo than expected, astronomers revealed. Turns out the galaxy’s ghostly glow is about eight times the apparent width of the full moon in the sky. Examining this halo in more detail could reveal much about how galaxies come … Continue reading "‘Lopsided’ Ghostly Galactic Halo Has Some Starry Surprises"