#gravitationallensing

[itsfullofstars]

SOURCE: europeanspaceagency https://flic.kr/p/2qVGQeK

[jameswebb-discoveries]

New Webb Image Shows Galaxies Aligned in a Question Mark Shape: A Gravitational Marvel

NASA’s James Webb Space Telescope has unveiled a mind-blowing discovery: a galaxy cluster forming a cosmic question mark!

Through a rare gravitational lensing effect, distant galaxies appear distorted and repeated in this bizarre pattern, sparking endless questions about the universe!

Are we seeing a sign from the cosmos, or just a stunning coincidence? Dive into this celestial mystery and explore what makes this discovery so extraordinary!

🔗 Discover More Here - https://www.jameswebbdiscovery.com/discoveries/new-webb-image-shows-galaxies-aligned-in-a-question-mark-shape #JamesWebb #SpaceDiscovery #CosmicMystery #Galaxies #AstronomyLovers #NASA #GravitationalLensing #GalaxyCluster #JWST #UniverseWonder

[itsfullofstars]

https://flic.kr/p/2qVGQeK

[jameswebb-discoveries]

James Webb Space Telescope Reveals the Enigmatic 'El Gordo' Galaxy Cluster. Read full article here

Behold the captivating infrared image of the galaxy cluster El Gordo ("the Fat One") captured by Webb, showcasing an array of hundreds of galaxies with unprecedented clarity. Acting as a gravitational lens, El Gordo skillfully bends and amplifies the light from far-off background galaxies, revealing celestial wonders never seen before in such exquisite detail. Among the most prominent features are the lensed background galaxies, The Thin One (highlighted in box A) and The Fishhook (a mesmerizing red swoosh highlighted in box B). The insets on the right offer a closer look at these fascinating objects. Image credits: NASA, ESA, CSA. Full article here

[lifesciencesmagazine]

Astronomers Discover Mysterious Perfect Sphere in Space

Source: sciencealert.com

Astronomers have identified a baffling new object in the Milky Way that appears to defy conventional cosmic patterns, a nearly perfect spherical bubble, now named sphere Teleios. Detected through radio waves by the Australian Square Kilometre Array Pathfinder (ASKAP), this mysterious object is believed to be the remnant of an ancient supernova. While supernova remnants are not uncommon, what sets Teleios apart is its flawless symmetry and puzzling emission properties.

Led by astrophysicist Miroslav Filipović of Western Sydney University, an international team of researchers has dubbed the sphere Teleios, a Greek word meaning “perfection.” Initial analysis suggests it likely originated from a Type Ia supernova, an explosion caused when a white dwarf in a binary system consumes too much matter from its companion and detonates. Despite these clues, scientists remain perplexed by several inconsistencies, particularly the object’s lack of X-ray emissions, which are typically present in such remnants.

A Puzzle of Distance and Size

Determining the exact distance to sphere Teleios has proven particularly challenging. Researchers have narrowed it down to two possibilities: approximately 7,175 light-years or a much farther 25,114 light-years away. This ambiguity significantly impacts how astronomers interpret the object’s size and age. If closer, the remnant would span about 46 light-years and be relatively young, less than 1,000 years old. If more distant, it could measure up to 157 light-years across and be over 10,000 years old.

Further complicating the analysis, no X-rays have been detected from the object, casting doubt on the Type Ia classification. This lack of radiation contradicts existing models for the lifecycle of such supernovae. An alternate theory proposes that Teleios could be the result of a rarer Type Iax supernova, which partially preserves the white dwarf, leaving behind a so-called “zombie” star. For this explanation to hold, however, the object would need to be even closer, around 3,262 light-years, something unsupported by current measurements.

A Rare Sight of Symmetry in Space

Beyond its ambiguous origin, the most striking feature of sphere Teleios is its geometric perfection. Supernova remnants are almost always irregular, shaped by the uneven explosion or the interstellar environment around them. Material from the blast often interacts with gas and dust in space, warping the remnant’s shape as it expands. In contrast, Teleios has maintained a near-perfect spherical form, suggesting it may have exploded in a very empty region of space with minimal interference.

While such symmetry isn’t impossible, it’s exceptionally rare, making Teleios an exciting subject for ongoing observation. The research team stresses that more detailed and sensitive data are required to unravel the object’s true nature. “All possible scenarios have their challenges,” the authors noted, “especially considering the lack of X-ray emission that is expected.”

Until more precise measurements and observations can be conducted, sphere Teleios remains a fascinating cosmic mystery, a perfectly shaped riddle waiting to be solved in the vast expanse of the Milky Way.

Visit more of our news! The Lifesciences Magazine.

[alexanderrogge]

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

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."

DwarfGalaxy #JamesWebb #JWST #GravitationalLensing #Abell2744 #BigBangTheory #BigBang #Reionization #GeneralRelativity #Relativity #Cosmology #Astrophysics #Astronomy

[renovatio06]

Astrophysicist Katie Mack explains the Significance of the Famous James Webb Telescope Photo | Newsobserver

Astrophysicist Katie Mack explains the Significance of the Famous James Webb Telescope Photo | Newsobserver

This image released by NASA on Tuesday, July 12, 2022, shows the edge of a nearby, young, star-forming region NGC 3324 in the Carina Nebula. Captured in infrared light by the Near-Infrared Camera (NIRCam) on the James Webb Space Telescope, this image reveals previously obscured areas of star birth, according to NASA. (NASA, ESA, CSA, and STScI via AP) NASA, ESA, CSA, and STScI AP Source:…

View On WordPress

[scienza-magia]

L'effetto lente gravitazionale conferma la teoria della relatività

La danza della stella attorno al buco nero, nuova conferma del genio di Einstein. L'orbita di un astro attorno al buco nero supermassiccio al centro della Via Lattea corrisponde ai calcoli fatti grazie alla teoria del fisico tedesco, che resiste a più di un secolo dalla sua formulazione Lì dove le masse si fanno davvero giganti e il tachimetro si avvicina pericolosamente alla velocità della luce, c’è il laboratorio di fisica più estremo che l’uomo ha a disposizione. Siamo al centro della nostra galassia, a circa 26.000 anni luce da noi, e da lì arriva una nuova conferma della teoria della Relatività generale di Einstein. Qui le stelle orbitano attorno al buco nero supermassiccio Sagittarius A*. Gli astrofisici per 30 anni hanno seguito il percorso di una di queste, una giostra vorticosa che la porta a raggiungere il tre per cento della velocità della luce. La sua orbita, distorta dagli effetti relativistici, è stata prevista grazie alla teoria di Einstein, che resta la più elegante e precisa descrizione di come si muovono le cose nell’Universo. Read the full article