How many galaxies have humans discovered?
“We don’t know,” says Ed Churchwell, professor of astronomy. “We know it’s a very large number.”
It’s in the hundreds of billions, Churchwell says. In contrast, there are but 4 billion stars in our own galaxy, the Milky Way — and the number will keep growing for some time before we run out of galaxies to count.
“You look at that and say, ‘How many galaxies can I see?’” Churchwell explains. “And that turns out to be a very large number.”
How many galaxies have humans discovered?
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