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The observable universe has way more galaxies than we thought

  • Michael Tabb
By Michael Tabb

Video journalist

Published Last updated on This article is more than 2 years old.

In case the universe was feeling a little sparse, here’s some good news: Scientists now say there are at least 2 trillion galaxies in the observable universe, more than 10 times previous estimates.

For some perspective, 2 trillion is about the number of seconds since the first humans began migrating from Africa some 60,000 years ago.

Watch the video above to see how researchers proved the existence of trillions of galaxies that have been hiding from human sight and even our best telescopes.

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