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The Universe has 10 times more galaxies than we thought

A recent paper claims that the Universe has 10 times more galaxies than we previously thought: an estimated 2 trillion galaxies covering every single patch of sky visible from the Earth. But that doesn’t mean the Universe is more massive or that it contains more stars. Phil Plait explains: Now, let me be clear. This doesn’t meant the Universe is ten times bigger than we thought, or there are ten times as many stars.
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