James Webb telescope just found galaxies that shouldn’t exist in deep space

Scientists expected the James Webb Space Telescope to reveal unknowns in the deepest regions of the universe.

But they certainly didn’t expect this.

While scanning the region of space near the Big Dipper, a group of astronomers identified six faint objects that appeared more than 13 billion years ago. They believe the object is an ancient galaxy. Scientists expect these early clusters of stars and swirl matter to be relatively small. After all, there hasn’t been much time for such galaxies to form or grow. But researchers report that these galaxies are huge.

“It’s a banana,” said Erika Nelson, an astrophysicist at CU Boulder who worked on the new study, in a statement.(opens in new tab).

Web observations show that the “red and bright” object may host billions of stars, so it’s a banana (and more planets), similar to our Milky Way galaxy. These galaxies formed about 500 to 700 million years after the universe was born in the Big Bang.(opens in new tab)and at such times there shouldn’t have been enough material around to create the illusive bursts of stars and solar systems, Nelson explained.

The very distant galaxy is the fuzzy red object shown below. They are red because the universe is expanding, and light passing through it is stretched, eventually shifting to longer, redder wavelengths. Importantly, research on these galaxies is just beginning. For example, some of these red-hot masses are primitives of another kind, like quasars (extremely hot, energetic matter that revolves around black holes and emits vast amounts of light into the universe). object.

Six “candidate galaxies” discovered by astronomers near the Big Dipper.
Credits: NASA / ESA / CSA / I. Labbe (Swinburne Institute of Technology). Image processing: G. Brammer (University Dawn Center, Niels Bohr Institute, University of Copenhagen)

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Astronomers using the Webb telescope have also discovered even earlier galaxies, including one that formed just 350 million years after the Big Bang. But these galaxies are much smaller. They make more sense than the recently discovered behemoths.

“If even one of these galaxies is real, it will challenge the limits of our understanding of cosmology,” Nelson said. Cosmology is the study of the origin and evolution of our universe. Where are you from? And how did you get here?

Powerful Capabilities of the Webb Telescope

A scientific collaboration of NASA, ESA, and the Canadian Space Agency, the Webb telescope orbits the Sun a million miles from Earth. It is designed to peer into the deepest universe and reveal unprecedented insights into the early universe.

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Here’s how Webb achieves the unparalleled, and has probably been doing so for decades.

• giant mirror: Webb’s mirror that catches the light is over 21 feet wide. This is more than 2.5 times his size in the Hubble Space Telescope mirror. Capturing more light allows Webb to see ancient objects farther away. As mentioned earlier, this telescope peers at stars and galaxies that formed more than 13 billion years ago, just a few hundred million years after the Big Bang.

  Gene Clayton, astronomer and director of the Manfred Olson Planetarium at the University of Wisconsin-Milwaukee, told Mashable in 2021.

• Infrared view: Unlike Hubble, which primarily sees the light we see, Webb is primarily an infrared telescope. That is, it displays light in the infrared spectrum. This allows us to see much more of the universe.Infrared has a long wavelength(opens in new tab) Light waves pass through the clouds of space more efficiently than visible light. Light does not often collide with these dense particles and be scattered. Ultimately, Webb’s infrared vision can see where Hubble can’t.

  “It lifts the veil,” Clayton said.

• A peek into a distant exoplanet: webb telescope carry a special instrument called a spectrometer(opens in new tab), that will revolutionize our understanding of these distant worlds. Whether it’s a gas giant or a smaller rocky planet. Webb examines exoplanets in the Milky Way galaxy. Who knows what we will find.

  “We may learn things we never thought,” says Mercedes Lopez Morales, an exoplanet researcher and astrophysicist at the Harvard & Smithsonian Center for Astrophysics.(opens in new tab)told Mashable in 2021.

  Astronomers have already discovered an interesting chemical reaction on a planet 700 light-years away.