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Clash of the Titan Galaxies - Universe Today
[/caption] Is this galaxy exploding? Although that’s what it might look like, this is actually two gigantic galaxies crashing into each other. NGC 520 — also known as Arp 157 — is a mashup of two huge galaxies, now combining into one. We can’t really watch the process, as it happens extremely slowly — over … Continue reading "Clash of the Titan Galaxies"