New baby pictures of the universe, taken by the James Webb Space Telescope, show that galaxies started forming faster and earlier than expected.
The telescope launched back in December and it now orbits the sun about a million miles away from Earth. Its giant mirror allows it to detect faint light that's been traveling for almost the entire history of the 13.8 billion-year-old universe. That means it can effectively see what galaxies looked like way back in time.
The snapshots captured so far have both thrilled and perplexed scientists, because it turns out that many luminous galaxies existed when the universe was very young.
"Just a few hundred million years after the Big Bang, there are already lots of galaxies," says Tommaso Treu, an astronomer at the University of California at Los Angeles. "JWST has opened up a new frontier, bringing us closer to understanding how it all began."
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