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[W: 329] The James Webb Space Telescope Photo Album Thread

gboisjo said:
As great as the Webb Telescope is, we'll never truly understand if life exist in exoplanets in distant galaxies via a telescope.

Our best bet for life elsewhere is in our own solar system IMO ..and if microbial life is found ..we can extrapolate that it exist elsewhere.

I'm excited about Europa, Enceladus and a few other moons around Jupitor and Saturn,
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James Webb Space Telescope discovers oldest and most distant black hole ever seen​

published about 10 hours ago
www.space.com

James Webb Space Telescope discovers oldest and most distant black hole ever seen

The ravenous black hole that existed just 400 million years after the Big Bang could help explain how supermassive black holes grew so rapidly.
www.space.com www.space.com
The ravenous black hole that existed just 400 million years after the Big Bang could help explain how supermassive black holes grew so rapidly.

The galaxy GN-z11 as seen by Hubble (inset) an illustration of a feeding black hole
The galaxy GN-z11 as seen by the Hubble space telescope and an illustration of a feeding black hole (inset). (Image credit: NASA, ESA, P. Oesch (Yale University), G. Brammer (STScI), P. van Dokkum (Yale University), and G. Illingworth (University of California, Santa Cruz) (Inset) Robert Lea )

A team of astronomers has used the James Webb Space Telescope (JWST) to discover the most distant and oldest black hole ever seen as it feasts upon its host galaxy.

The discovery could be a massive step forward in understanding how supermassive black holes reached masses equivalent to millions of billions of times that of the sun in the very early epochs of the universe.

The black hole dwells in the ancient galaxy GN-z11, which is 13.4 billion light years away and is thus seen as it was just 400 million years after the Big Bang. The black hole itself is around 6 million times as massive as the sun and seems to be feeding on matter from its surrounding galaxy five times more rapidly than the limit suggested is sustainable by current theories.
 

JWST has taken extraordinary images of 19 nearby spiral galaxies​

Astronomers have used the James Webb Space Telescope to take astonishingly detailed images of spiral galaxies, revealing how and where they spark star formation
By Leah Crane 29 January 2024
www.newscientist.com

JWST has taken extraordinary images of 19 nearby spiral galaxies

Astronomers have used the James Webb Space Telescope to take astonishingly detailed images of spiral galaxies, revealing how and where they spark star formation
www.newscientist.com www.newscientist.com

SEI_189232006.jpg
The James Webb Space Telescope captured 19 face-on spiral galaxies NASA, ESA, CSA, STScI, J. Lee (STScI), T. Williams (Oxford), PHANGS Team, E. Wheatley (STScI)

The James Webb Space Telescope (JWST) has released a stunning smorgasbord of images of spiral galaxies. These pictures show 19 relatively nearby galaxies in greater detail than ever before.

“They’re mind-blowing even for researchers who have studied galaxies for decades,” said Janice Lee at the Space Telescope Science Institute in Maryland in a statement. “Bubbles and filaments are resolved down to the smallest scales ever observed and tell a story about the star formation cycle.”

 
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HangLow said:

This is the incredible find of the James Webb telescope on the outskirts of the solar system​


Diario AS
This is the incredible find of the James Webb telescope on the outskirts of the solar system The James Webb space telescope has been amazing sky watchers with discovery upon discovery since it was launched into orbit.
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The Universe Space Tech
James Webb finds an "Impossible" Galaxy An international team of researchers has reported the discovery of an "impossible" galaxy at the edge of the observable Universe.

The Debrief
James Webb Space Telescope Has Discovered an Enormous Remnant of the Early Universe That Astronomers Say ... The James Webb Space Telescope has made an 11-billion-year-old discovery more massive than the Milky Way, and it shouldn't exist.
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Galaxy, ZF-UDS-7329 is a game changer. Just when we think we've figured a few things out, we didn't.

“We are now going beyond what was possible to confirm the oldest massive quiescent monsters that exist deep in the universe,” said Dr. Themiya Nanayakkara with Swinburne’s Centre for Astrophysics and Supercomputing, who led the spectral analysis of the Webb data.


“This pushes the boundaries of our current understanding of how galaxies form and evolve,” Nanayakkara said. “The key question now is how they form so fast very early in the universe, and what mysterious mechanisms lead to stopping them forming stars abruptly when the rest of the universe doing so.”
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An 11-billion-year-old discovery more massive than the Milky Way, which astronomers say should not exist, but indeed does exist.

I wonder what this galaxy looks like in the here and now, is there life in its millions of planets and moons so early and so far away.

One thing to consider is many early stars are thought to be much larger than our sun with shorter life spans.


image_12694-ZF-UDS-7329.jpg
 

James Webb Space Telescope finds dwarf galaxies packed enough punch to reshape the entire early universe​

News By Robert Lea was published about 9 hours ago
www.space.com

James Webb Space Telescope finds dwarf galaxies packed enough punch to reshape the entire early universe

"The main surprise is that these small faint galaxies had so much power, their cumulative radiation could transform the entire universe."
www.space.com www.space.com
"The main surprise is that these small faint galaxies had so much power, their cumulative radiation could transform the entire universe."

An illustration shows the James Webb Space Telescope as it studies an array of dwarf galaxies.
An illustration shows the James Webb Space Telescope as it studies an array of dwarf galaxies. (Image credit: NASA/ESA/Robert Lea)

Astronomers have used the James Webb Space Telescope (JWST) and an effect predicted by Albert Einstein over 100 years ago to discover that small galaxies in the early cosmos packed a massive punch, shaping the entire universe when it was less than 1 billion years old.

The international team found the galaxies, which resemble dwarf galaxies that exist today, played a vital role during a crucial stage of cosmic evolution that occurred between 500 and 900 million years after the Big Bang. These small galaxies also vastly outnumbered larger galaxies in the infant universe, the scientists say, adding that it's likely the realms supplied most of the energy needed for a process called cosmic reionization. Cosmic reionization was critical to the growth and progression of the universe.

"We're really talking about the global transformation of the entire universe," Hakim Atek, research lead author and an astronomer at the Institut d'Astrophysique de Paris told Space.com. "The main surprise is that these small, faint galaxies had so much power, their cumulative radiation could transform the entire universe."

FULL SCREEN Sound ON
cdn.jwplayer.com

Fade from Black - Universe's Evolution Animated

From the first pulse of light to the building blocks of the cosmic web, the James Webb Space telescope will peer back at the earliest phases of construction of our universe.
cdn.jwplayer.com
 
science.nasa.gov

What is Webb Observing? - NASA Science

science.nasa.gov science.nasa.gov

What is Webb Observing?​

See current, upcoming, and recent observations scientists are making with the Webb Space Telescope. Use the "Observation Details + " button (right side of the window) to view each observation's science focus areas, instruments used, and more. Note that the sky map showing the target’s location uses imagery from ground-based telescopes, not imagery from the Webb Space Telescope.

PRESS THE LINK BELOW...
Scroll to the Tool Below

​

 
HangLow said:
science.nasa.gov

What is Webb Observing? - NASA Science

science.nasa.gov science.nasa.gov

What is Webb Observing?​

See current, upcoming, and recent observations scientists are making with the Webb Space Telescope. Use the "Observation Details + " button (right side of the window) to view each observation's science focus areas, instruments used, and more. Note that the sky map showing the target’s location uses imagery from ground-based telescopes, not imagery from the Webb Space Telescope.

PRESS THE LINK BELOW...
Scroll to the Tool Below

​

Click to expand...
Great link!
 
HangLow said:

James Webb Space Telescope discovers oldest and most distant black hole ever seen​

published about 10 hours ago
www.space.com

James Webb Space Telescope discovers oldest and most distant black hole ever seen

The ravenous black hole that existed just 400 million years after the Big Bang could help explain how supermassive black holes grew so rapidly.
www.space.com www.space.com
The ravenous black hole that existed just 400 million years after the Big Bang could help explain how supermassive black holes grew so rapidly.

The galaxy GN-z11 as seen by Hubble (inset) an illustration of a feeding black hole
The galaxy GN-z11 as seen by the Hubble space telescope and an illustration of a feeding black hole (inset). (Image credit: NASA, ESA, P. Oesch (Yale University), G. Brammer (STScI), P. van Dokkum (Yale University), and G. Illingworth (University of California, Santa Cruz) (Inset) Robert Lea )

A team of astronomers has used the James Webb Space Telescope (JWST) to discover the most distant and oldest black hole ever seen as it feasts upon its host galaxy.

The discovery could be a massive step forward in understanding how supermassive black holes reached masses equivalent to millions of billions of times that of the sun in the very early epochs of the universe.

The black hole dwells in the ancient galaxy GN-z11, which is 13.4 billion light years away and is thus seen as it was just 400 million years after the Big Bang. The black hole itself is around 6 million times as massive as the sun and seems to be feeding on matter from its surrounding galaxy five times more rapidly than the limit suggested is sustainable by current theories.
Click to expand...
The first stars (suns) were super massive blue giants.

Short lived in millions of years not billions, these giants would have created massive black holes.

These massive suns always produce supernova's expelling important elements like carbon into the universe.

The building blocks of life, its like the early universe knew exactly what it was doing.
 

JWST Observations Reject Unrecognized Crowding of Cepheid Photometry as an Explanation for the Hubble Tension at 8σ Confidence​

ShieldSquare Error

iopscience.iop.org iopscience.iop.org
********************

Abstract​

We present high-definition observations with the James Webb Space Telescope (JWST) of >1000 Cepheids in a geometric anchor of the distance ladder, NGC 4258, and in five hosts of eight Type Ia supernovae, a far greater sample than previous studies with JWST. These galaxies individually contain the largest samples of Cepheids, an average of >150 each, producing the strongest statistical comparison to those previously measured with the Hubble Space Telescope (HST) in the near-infrared (NIR). They also span the distance range of those used to determine the Hubble constant with HST, allowing us to search for a distance-dependent bias in HST measurements. The superior resolution of JWST negates crowding noise, the largest source of variance in the NIR Cepheid period–luminosity relations (Leavitt laws) measured with HST. Together with the use of two epochs to constrain Cepheid phases and three filters to remove reddening, we reduce the dispersion in the Cepheid P–L relations by a factor of 2.5. We find no significant difference in the mean distance measurements determined from HST and JWST, with a formal difference of −0.01 ± 0.03 mag. This result is independent of zero-points and analysis variants including metallicity dependence, local crowding, choice of filters, and slope of the relations. We can reject the hypothesis of unrecognized crowding of Cepheid photometry from HST that grows with distance as the cause of the "Hubble tension" at 8.2σ, i.e., greater confidence than that of the Hubble tension itself. We conclude that errors in photometric measurements of Cepheids across the distance ladder do not significantly contribute to the tension.

ShieldSquare Error

iopscience.iop.org iopscience.iop.org
 
gboisjo said:
The first stars (suns) were super massive blue giants.
Short lived in millions of years not billions, these giants would have created massive black holes.
These massive suns always produce supernova's expelling important elements like carbon into the universe.
The building blocks of life, its like the early universe knew exactly what it was doing.
Click to expand...
Outstaning POST my friend...
Thank You...

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You will / should ENJOY the post below...

[W: 329] The James Webb Space Telescope Photo Album Thread

It would likely unite mankind in building better space weapons. Sigh. But this isn't the thread for that. If aliens are coming for us at near light speed, we'd need a different telescope to see them (they would be blue shifted) and if they're coming for us with FTL they're so far beyond us we...
debatepolitics.com debatepolitics.com
 

How do stars make elements heavier than iron?​


Q: Since the heaviest element produced by nuclear fusion is iron, how are elements like gold and uranium formed? Brandon Chang
A: The lightest elements in the universe — hydrogen, helium, and a little lithium — were born shortly after the Big Bang. The heavier elements, up to iron, were forged later, in the hearts of stars and in supernovae. However, looking at the periodic table, we see that that still leaves two-thirds of the elements unaccounted for.

So, how are elements heavier than iron formed?

Most of these “heavy elements” are created by atomic nuclei capturing neutrons. There are two forms of this neutron capture process: the rapid process (r-process) and the slow process (s-process). The s-process mostly produces lighter elements up to lead and bismuth on the periodic table, whereas the r-process typically produces elements as heavy as uranium.

There is substantial overlap in the elements produced by each process, but some elements are made purely by one process or the other. For example, gold, platinum, and uranium are only produced via the r-process.

By the early 1970s, scientists knew that the s-process happens in the envelopes of low-mass stars at the end of their lives. However, it is only recently that we could determine where the r-process takes place.

Last year, we detected a freshly produced r-process element for the first time in the aftermath of two neutron stars merging. When neutron stars merge, they eject a few percent of their mass — about 10 million Earth masses — as neutron-rich matter. Within a fraction of a second, this ejected mass converts into a radioactive fireball of the universe’s heaviest elements through the r-process. These elements are scattered into interstellar space, seeding gas clouds and ultimately finding themselves embedded within stars and planets.

Research into the creation of the universe’s heavy elements is ongoing. It seems likely, for example, that the r-process happens elsewhere in the universe, too, most likely in an unusual type of supernova. However, we believe that the bulk of the r-process elements were created by merging neutron stars. So, when you hold a piece of gold or platinum jewelry in your hands, you’re holding a fragment of what once was a neutron star!
 

Elemental facts​

Like all the heavy elements on the periodic table, there just isn’t much gold to be found. If all the gold mined in human history were formed into one solid cube, it would measure about 70 feet (21.3 meters) on a side. That would be around 183,000 tons of gold.

Sounds like a lot, but if melted, it would fill only three and a half Olympic-size swimming pools. In 2018, Barrick Gold Corporation’s mines in Nevada processed millions of tons of ore to recover just 4 million ounces (125 tons) of gold.

Because it is so dense and heavy, most of Earth’s gold sank to the core of our planet. Australian geologist Bernard Wood estimates that 99 percent of the world’s gold is buried thousands of miles below our feet. He also estimates that 1.6 quadrillion tons of gold lie within the core.

Wood calculates that all this gold, if brought to the surface, would form a layer of the shimmering metal just 16 inches (40.6 centimeters) thick. Compared to Earth’s total size, that’s not much gold.

There is actually six times more platinum in our planet’s core, which contains about 1 part per million of gold. Gold is, in fact, quite rare.
 
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