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List Of The Most Distant Astronomical Objects
This article documents the most distant Astronomical object, astronomical objects discovered and verified so far, and the time periods in which they were so classified. For comparisons with the light travel distance of the astronomical objects listed below, the age of the universe since the Big Bang is currently estimated as 13.787 ± 0.020 Gyr. Distances to remote objects, other than those in nearby galaxies, are nearly always inferred by measuring the cosmological redshift of their light. By their nature, very distant objects tend to be very faint, and these distance determinations are difficult and subject to errors. An important distinction is whether the distance is determined via spectroscopy or using a photometric redshift technique. The former is generally both more precise and also more reliable, in the sense that photometric redshifts are more prone to being wrong due to confusion with lower redshift sources that may have unusual spectra. For that reason, a spectroscop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MoM-z14 Naidu Et Al
MoM-z14, as of June 2025, is the farthest known galaxy discovered in the universe with a redshift of z = 14.44 placing the galaxy's formation about 280 million years after the Big Bang. As part of the Chronology of the universe, cosmic timeline, MoM-z14 would have been formed during the Reionization, Reionization Era of the early universe, when neutral hydrogen began Ionization, ionizing due to Electromagnetic radiation, radiated energy from the earliest celestial objects. MoM-z14 is a remarkably luminous and compact galaxy. It has a mass of 108 solar masses making it similar in mass to the Small Magellanic Cloud (SMC). It is currently going through a time of high star formation giving off lots of ionizing photons which travel through a virtually dust free interstellar medium (ISM). The surroundings of MoM-z14 are partially ionized. Discovery It was discovered on 16 May 2025 by Rohan Naidu with the James Webb Space Telescope (JWST). Prior to the JWST, there were no telescopes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Redshift
In physics, a redshift is an increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation (such as light). The opposite change, a decrease in wavelength and increase in frequency and energy, is known as a #Blueshift, blueshift. The terms derive from the colours red and blue which form the extremes of the Visible spectrum, visible light spectrum. Three forms of redshift occur in astronomy and cosmology: Doppler effect, Doppler redshifts due to the relative motions of radiation sources, gravitational redshift as radiation escapes from gravitational potentials, and cosmological redshifts of all light sources proportional to their distances from Earth, a fact known as Hubble's law that implies the expansion of the universe, universe is expanding. All redshifts can be understood under the umbrella of Frame of reference, frame transformation laws. Gravitational waves, which also travel at Speed of light, the speed of light, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astrophysical Journal
''The Astrophysical Journal'' (''ApJ'') is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler. The journal discontinued its print edition and became an electronic-only journal in 2015. Since 1953, ''The Astrophysical Journal Supplement Series'' (''ApJS'') has been published in conjunction with ''The Astrophysical Journal'', with generally longer articles to supplement the material in the journal. It publishes six volumes per year, with two 280-page issues per volume. ''The Astrophysical Journal Letters'' (''ApJL''), established in 1967 by Subrahmanyan Chandrasekhar as Part 2 of ''The Astrophysical Journal'', is now a separate journal focusing on the rapid publication of high-impact astronomical research. The three journals were published by the University of Chicago Press for the American Astronomical Society until, in January 2009, publication was transferred to IOP Publis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
JADES-GS-z14-1
This article documents the most distant astronomical objects discovered and verified so far, and the time periods in which they were so classified. For comparisons with the light travel distance of the astronomical objects listed below, the age of the universe since the Big Bang is currently estimated as 13.787 ± 0.020 Gyr. Distances to remote objects, other than those in nearby galaxies, are nearly always inferred by measuring the cosmological redshift of their light. By their nature, very distant objects tend to be very faint, and these distance determinations are difficult and subject to errors. An important distinction is whether the distance is determined via spectroscopy or using a photometric redshift technique. The former is generally both more precise and also more reliable, in the sense that photometric redshifts are more prone to being wrong due to confusion with lower redshift sources that may have unusual spectra. For that reason, a spectroscopic redshift is conv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astronomy & Astrophysics
''Astronomy & Astrophysics (A&A)'' is a monthly peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics. It is operated by an editorial team under the supervision of a board of directors representing 27 sponsoring countries plus a representative of the European Southern Observatory. The journal is published by EDP Sciences and the current editors-in-chief are Thierry Forveille and João Alves. History Origins ''Astronomy & Astrophysics'' was created as an answer to the publishing situation found in Europe in the 1960s. At that time, multiple journals were being published in several countries around the continent. These journals usually had a limited number of subscribers, and articles were written in languages other than English. They were less widely read than American and British journals and the research they reported had therefore less impact in the community. Starting in 1963, conversations between astronomers from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atacama Large Millimeter Array
The Atacama Large Millimeter/submillimeter Array (ALMA) is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile, which observe electromagnetic radiation at millimeter and submillimeter wavelengths. The array has been constructed on the elevation Chajnantor plateau – near the Llano de Chajnantor Observatory and the Atacama Pathfinder Experiment. This location was chosen for its high elevation and low humidity, factors which are crucial to reduce noise and decrease signal attenuation due to Earth's atmosphere. ALMA provides insight on star birth during the early Stelliferous era and detailed imaging of local star and planet formation. ALMA is an international partnership amongst Europe, the United States, Canada, Japan, South Korea, Taiwan, and Chile. Costing about US$1.4 billion, it is the most expensive ground-based telescope in operation. ALMA began scientific observations in the second half of 2011 and the first images were rel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
JADES-GS-z14-0
JADES-GS-z14-0 is a high-redshift Lyman-Break galaxy in the constellation Fornax that was discovered in 2024 using NIRCam as part of the JWST Advanced Deep Extragalactic Survey (JADES) program. It has a redshift of about 14.18, making it one of the most distant galaxies and astronomical objects ever discovered. According to current theory, this redshift corresponds to a time about 13.5 billion years ago, approximately 300 million years after the Big Bang, or about 2% of its current age. Discovery JADES-GS-z14-0 was observed using the James Webb Space Telescope's Near-Infrared Spectrograph ( NIRSpec) in 2024, and it measured a redshift of 14.32. Its age, size, and luminosity added to a growing body of evidence that current theories of early star and galaxy formation are incomplete. A larger study using JWST NIRCam "Earliest Galaxies in the JADES Origins Field: Luminosity Function and Cosmic Star Formation Rate Density 300 Myr after the Big Bang" (Robertson et al. 2024) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Webb Finds Most Distant Known Galaxy (JADES-GS-z14-0 Annotated Pullout NIRCam Image) (jades4)
Webb may refer to: Places Antarctica *Webb Glacier (South Georgia) *Webb Glacier (Victoria Land) * Webb Névé, Victoria Land, the névé at the head of Seafarer Glacier * Webb Nunataks, a group of nunataks in the Neptune Range * Webb Peak (other) Canada * Rural Municipality of Webb No. 138, Saskatchewan ** Webb, Saskatchewan, a village within the rural municipality United States *Webb, Alabama, a town *Webb, Iowa, a city * Webb Lake (Maine) *Webb River, Maine *Webb Memorial State Park, Massachusetts *Webb, Mississippi, a town *Webb City, Missouri, a city *Webb City, Oklahoma, a town * Webb, New York, a town * Webb, Texas, an unincorporated community *Webb County, Texas *Webb Air Force Base, near Big Spring, Texas *Webb Hill, Utah * Webb, West Virginia, an unincorporated community *Webb Canyon, Grand Teton National Park, Wyoming The Moon *Webb (crater) Things * CSS ''Webb'', a Confederate States Navy steam ram in the American Civil War * James Webb Space Telescop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lyman-break Galaxy
Lyman-break galaxies are star-forming galaxies at high redshift that are selected using the differing appearance of the galaxy in several imaging filters due to the position of the Lyman limit. The technique has primarily been used to select galaxies at redshifts of ''z'' = 3–4 using ultraviolet and optical filters, but progress in ultraviolet astronomy and in infrared astronomy has allowed the use of this technique at lower and higher redshifts using ultraviolet and near-infrared filters. The Lyman-break galaxy selection technique relies upon the fact that radiation at higher energies than the Lyman limit at 912 Å is almost completely absorbed by neutral gas around star-forming regions of galaxies. In the rest frame of the emitting galaxy, the emitted spectrum is bright at wavelengths longer than 912 Å, but very dim or imperceptible at shorter wavelengths. This is known as a " dropout", or "break", and can be used to find the position of the Lyman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MoM-z14
MoM-z14, as of June 2025, is the farthest known galaxy discovered in the universe with a redshift of z = 14.44 placing the galaxy's formation about 280 million years after the Big Bang. As part of the cosmic timeline, MoM-z14 would have been formed during the Reionization Era of the early universe, when neutral hydrogen began ionizing due to radiated energy from the earliest celestial objects. MoM-z14 is a remarkably luminous and compact galaxy. It has a mass of 108 solar masses making it similar in mass to the Small Magellanic Cloud (SMC). It is currently going through a time of high star formation giving off lots of ionizing photons which travel through a virtually dust free interstellar medium (ISM). The surroundings of MoM-z14 are partially ionized. Discovery It was discovered on 16 May 2025 by Rohan Naidu with the James Webb Space Telescope (JWST). Prior to the JWST, there were no telescopes with large enough mirrors to detect light coming from these distant galaxie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Centre For Radio Astronomy Research
The International Centre for Radio Astronomy Research (ICRAR) is a multi-institutional astronomy research centre based in Perth, Western Australia. The centre is a joint venture between Curtin University and the University of Western Australia, with 'nodes' located at both universities. As of 2024, ICRAR has approximately 150 staff and students across both nodes. History ICRAR launched in August 2009 with funding support from the State Government of Western Australia. Initially funded for five years to support Australia's bid to host the SKA telescopes, its funding was extended for an additional five year periods in 2013 (ICRAR II), 2019 (ICRAR III) and 2024 (ICRAR IV). In 2013, ICRAR became the first user of the Pawsey Supercomputing Centre, based in Kensington. Research Although radio astronomy features in the centre's name, its research has expanded to include optical and multi-wavelength astronomy. Each of the centre's two university nodes specialises in different areas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lambda-CDM Model
The Lambda-CDM, Lambda cold dark matter, or ΛCDM model is a mathematical model of the Big Bang theory with three major components: # a cosmological constant, denoted by lambda (Λ), associated with dark energy; # the postulated cold dark matter, denoted by CDM; # ordinary matter. It is the current ''standard model'' of Big Bang cosmology, as it is the simplest model that provides a reasonably good account of: * the existence and structure of the cosmic microwave background; * the large-scale structure in the distribution of galaxies; * the observed abundances of hydrogen (including deuterium), helium, and lithium; * the accelerating expansion of the universe observed in the light from distant galaxies and supernovae. The model assumes that general relativity is the correct theory of gravity on cosmological scales. It emerged in the late 1990s as a concordance cosmology, after a period when disparate observed properties of the universe appeared mutually inconsistent, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
