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Tech & Science Astronomers just discovered an invisible galaxy from the dawn of the universe

12:50  23 october  2019
12:50  23 october  2019 Source:   cnet.com

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This artist's impression shows what a monster galaxy from the dawn of the universe might look like. James Josephides/Swinburne Astronomy Productions University of Arizona astronomer Christina Williams spotted the ancient galaxy as a faint blob in observations from the Atacama Large Millimeter

Researchers discovered a previously invisible galaxy , and perhaps a new galaxy population Science News. from research organizations. Monstrous galaxy from dawn of the universe June 17, 2015 — Astronomers have discovered the brightest galaxy yet found in the early Universe and

a star in the dark: This artist's impression shows what a monster galaxy from the dawn of the universe might look like. James Josephides/Swinburne Astronomy Productions, Christina Williams/University of Arizona, Ivo Labbe/Swinburne © Provided by CBS Interactive Inc. This artist's impression shows what a monster galaxy from the dawn of the universe might look like. James Josephides/Swinburne Astronomy Productions, Christina Williams/University of Arizona, Ivo Labbe/Swinburne

Most scientists don't believe hairy, snow-loving giant Yetis are real, but astronomers now do believe in a special kind of "cosmic Yeti" galaxy that dates back to the very early universe.

The University of Arizona on Tuesday dropped some colorful words to describe the galaxy: monster, beast, ghostly. "Like a cosmic Yeti, the scientific community generally regarded these galaxies as folklore, given the lack of evidence of their existence," the university said in a statement.

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The astronomers were looking for evidence of black holes in these early days of the universe , but Bañados has discovered about half of the most distant quasars on record, but this one — while This particular quasar is so bright that it outshines the galaxy where it’s located — it’s 1000 times more

Astronomers accidentally discovered the footprints of a monster galaxy in the early universe that has never been seen before. Like a cosmic Yeti, the The galaxy is undergoing an explosion of star formation, lighting up the gas surrounding the galaxy . Thick clouds of dust obscure most of the light

University of Arizona astronomer Christina Williams spotted the ancient galaxy as a faint blob in observations from the Atacama Large Millimeter Array (ALMA) in Chile. She suspected the galaxy "was probably really far away and hidden by clouds of dust."

An animation shows what this galaxy might look like, complete with gas clouds lit up by the activity of star formation.

"We figured out the galaxy is actually a massive monster galaxy with as many stars as our Milky Way, but brimming with activity, forming new stars at 100 times the rate of our own galaxy," said astronomer and study co-author Ivo Labbé with the Swinburne University of Technology in Australia.

The team lead by Williams published its findings on Tuesday in The Astrophysical Journal. The science team estimates the signal ALMA spotted took 12.5 billion years to reach us on Earth. ALMA is operated by the European Southern Observatory and is on a mission to study the origins of galaxies, stars and planets.

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By chance, astronomer Christina Williams spotted a faint trace of light that led her to the discovery of a mythical galaxy .

Astronomers in the US and Australia say they have discovered a "cosmic Yeti" galaxy hiding out in a distant corner of the universe . In this particular case, an added difficulty was the giant dust clouds concealing light from the stars within, rendering it almost invisible to those searching for it.

The observation of this massive galaxy is helping scientists learn more about how such big galaxies formed during the universe's early days. Williams described this hidden galaxy as a "missing link."

It will require more study to find out if this mysterious "Yeti" is actually just one in a pack of cosmic Yetis. This is a question NASA's next-generation (and much delayed) James Webb Space Telescope (JWST) is expected to help answer.

"JWST will be able to look through the dust veil so we can learn how big these galaxies really are and how fast they are growing, to better understand why models fail in explaining them," Williams said. We may discover these distant monsters are quite common.

Scientists detected the brightest light in the universe for the first time, following a mysterious explosion in space .
Astronomers had 50 seconds to turn their telescopes toward a violent explosion in a galaxy 4 billion light-years away.The explosions were gamma-ray bursts: short eruptions of the most energetic form of light in the universe.

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