How Big Are Galaxies? - Universe Today

I’m going to refrain from the initial response that comes to mind… actually, no I won’t — they’re really, really, really big!!!! </Kermit arms> Ok, now that that’s out of the way check out this graphic by Arecibo astrophysicist Rhys Taylor, which neatly illustrates the relative sizes of 25 selected galaxies using images made from … Continue reading "How Big Are Galaxies?"

This Is How We Know There Are Two Trillion Galaxies In The Universe

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John D. Barrow Quote: “If all the stars and galaxies in the universe today were smoothed out into a uniform sea of atoms, there would only be a”

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How Big is the Universe? The Observable Universe & Beyond

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How Many Galaxies Are There?

Hubble spectroscopically confirms remotest galaxy today