Tag #Early Universe

Showing 13 to 17 of 17 results

dw.com

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Mar 20, 19:17

Oxygen Discovery in Distant Galaxy Challenges Early Universe Theories

The James Webb Space Telescope has discovered oxygen in the extremely distant galaxy JADES-GS-z14-0, whose light took 13.4 billion years to reach Earth, challenging existing theories on early galaxy formation due to its unexpectedly high luminosity and heavy element content.

Oxygen Discovery in Distant Galaxy Challenges Early Universe Theories

The James Webb Space Telescope has discovered oxygen in the extremely distant galaxy JADES-GS-z14-0, whose light took 13.4 billion years to reach Earth, challenging existing theories on early galaxy formation due to its unexpectedly high luminosity and heavy element content.

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How does the unexpectedly high luminosity and heavy element content of JADES-GS-z14-0 challenge existing models of early universe galaxy evolution?

The detection of oxygen, a heavy element, in JADES-GS-z14-0, contradicts the expectation of heavy element scarcity in early galaxies. This, coupled with its high luminosity, suggests that early galaxy formation and evolution proceeded at a significantly faster pace than predicted by current models. This challenges our understanding of the early universe.

dailymail.co.uk

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Dec 18, 19:11

Dormant Supermassive Black Hole Discovered in Early Universe

An international team used the James Webb Space Telescope to discover a supermassive black hole, 400 million times the mass of our Sun, in the early universe (800 million years after the Big Bang), currently in a dormant state, challenging existing black hole growth models.

Dormant Supermassive Black Hole Discovered in Early Universe

An international team used the James Webb Space Telescope to discover a supermassive black hole, 400 million times the mass of our Sun, in the early universe (800 million years after the Big Bang), currently in a dormant state, challenging existing black hole growth models.

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How does the discovery of this dormant black hole challenge existing models of black hole growth, and what alternative model is proposed?

This discovery challenges existing models of black hole development. The researchers propose that black holes experience short periods of rapid growth followed by extended dormancy, with this black hole potentially 'eating' for 5–10 million years and 'sleeping' for roughly 100 million years. This low-activity state explains its detection despite its immense size and the difficulty of observing dormant black holes.

bbc.com

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Dec 12, 10:10

"JWST Captures Unprecedented Image of Early Galaxy Formation"

"The James Webb Space Telescope has imaged a distant galaxy, nicknamed 'Sparkler,' revealing ten distinct star clusters in various colors, providing unprecedented insight into early galaxy formation, 600 million years after the Big Bang, and resembling our Milky Way's formative stages."

"JWST Captures Unprecedented Image of Early Galaxy Formation"

"The James Webb Space Telescope has imaged a distant galaxy, nicknamed 'Sparkler,' revealing ten distinct star clusters in various colors, providing unprecedented insight into early galaxy formation, 600 million years after the Big Bang, and resembling our Milky Way's formative stages."

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"What is the key finding of the James Webb Space Telescope's observation of galaxy 'Sparkler', and what does it reveal about early galaxy formation?"

"The James Webb Space Telescope captured an image of a distant galaxy, offering unprecedented insight into the early stages of galaxy formation. This galaxy, nicknamed 'Sparkler,' displays ten distinct star clusters in various colors, representing different stages of stellar evolution. This is the first time scientists have observed such clusters in a galaxy similar to our Milky Way during its formative period.",

welt.de

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Feb 13, 10:10

Record-Breaking Jet Discovered in Early Universe

An international team using the LOFAR radio telescope discovered a 200,000-light-year-long jet from a quasar (J1601+3102) in a galaxy 12.6 billion light-years away, challenging previous assumptions about jet formation in the early universe.

Record-Breaking Jet Discovered in Early Universe

An international team using the LOFAR radio telescope discovered a 200,000-light-year-long jet from a quasar (J1601+3102) in a galaxy 12.6 billion light-years away, challenging previous assumptions about jet formation in the early universe.

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What is the significance of the discovery of a 200,000-light-year-long jet from a quasar in the early universe?

An international team using the LOFAR radio telescope has discovered a 200,000-light-year-long jet emanating from a quasar in the early universe, a time when the universe was only 1.2 billion years old. This is the longest jet ever found in the young universe. The jet is propelled by a supermassive black hole 450 million times the mass of our sun, located in the galaxy J1601+3102.

sueddeutsche.de

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Dec 16, 19:13

JWST Images Tiny Galaxy, Revealing Early Universe Secrets

The James Webb Space Telescope, using gravitational lensing from galaxy cluster MACS J1423, imaged the small, early galaxy "Firefly Sparkle", providing insights into galaxy formation through mergers and stellar evolution 600 million years after the Big Bang.

JWST Images Tiny Galaxy, Revealing Early Universe Secrets

The James Webb Space Telescope, using gravitational lensing from galaxy cluster MACS J1423, imaged the small, early galaxy "Firefly Sparkle", providing insights into galaxy formation through mergers and stellar evolution 600 million years after the Big Bang.

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What is the significance of the James Webb Space Telescope's discovery of the "Firefly Sparkle" galaxy?

The James Webb Space Telescope (JWST) imaged the "Firefly Sparkle" galaxy, a small galaxy comparable in size to the early Milky Way, approximately 600 million years after the Big Bang. Its small size and early developmental stage made it exceptionally difficult to detect without the gravitational lensing effect of the galaxy cluster MACS J1423, which amplified its light.

Showing 13 to 17 of 17 results