Articles tagged with Telescopes
Researchers detected 35 FRBs from repeater FRB 20220912A, showcasing downward frequency drifting, bandwidth-center frequency connections, and changes in burst duration over time. The study also revealed an unexpected cosmic slide-whistle effect, highlighting the ATA's capabilities.
Researchers at Lund University have determined the age of three mysterious baby stars at the heart of the Milky Way, finding them to be 100 million to 1 billion years old. The stars' unusual chemical composition also surprised the team, indicating that the galaxy's center may be inhomogeneous.
The Telescope Array has detected the second-highest energy cosmic ray ever observed, with an energy equivalent to dropping a brick on your toe from waist height. The Amaterasu particle deepens the mystery of ultra-high-energy cosmic rays, which may follow particle physics unknown to science.
Research by University of Leeds scientists has found evidence that massive Be stars may exist in triple systems, challenging current theories on their formation. The discovery could have significant impacts on our understanding of black holes, neutron stars, and gravitational wave sources.
Scientists have observed bright, brief flashes months after a stellar explosion, confirming that the engine of the LFBOT is a black hole or neutron star. This unprecedented behavior shows that the object emitted multiple supernova-strength optical flares on timescales of less than a minute.
Researchers found almost 90% of early universe galaxies had glowing gas, triggering intense star formation. The James Webb Space Telescope provided unprecedented clarity to study these infant galaxies, revealing their role in shaping the Universe.
Researchers detected tellurium and other essential elements needed for life in the aftermath of a gamma-ray burst, revealing insights into heavy element formation. The study provides valuable information about kilonovae and neutron star mergers, paving the way for a deeper understanding of the universe.
Researchers observed and analyzed approximately 17,000 images from the Subaru Telescope to identify 13 extensive air showers. This new method can determine individual particle types, advancing understanding of these cosmic-ray phenomena.
A team of researchers, including RIT's Joel Kastner, have discovered new evidence of how planets as massive as Jupiter can form through gravitational instability around a young star. The discovery was made using images from the ESO's Very Large Telescope and the Atacama Large Millimeter/submillimeter Array.
Researchers found rock-forming elements in the atmosphere of WASP-76 b, which suggests it might have accreted a smaller Mercury-like planet. The discovery provides unprecedented insight into the presence and abundance of rock-forming elements in giant planets.
The CALorimetric Electron Telescope (CALET) study found that the movement of cosmic rays is affected by the Sun's magnetic field, causing fluctuations in galactic cosmic rays reaching Earth. The research indicates that electrons are more susceptible to solar modulation than protons.
Astrophysicists explain the Brightest of All Time (BOAT) cosmic explosion, revealing a narrow jet embedded within a wider gas outflow. The GRB's uniqueness was due to mixing between stellar material and the jet, masking characteristic signatures.
Researchers have detected a smaller black hole in the binary system OJ287 for the first time, confirming its existence through observations of 26 predicted flares and gamma ray signals. The bigger black hole weighs over 18 billion times the mass of our Sun.
A new study reveals that asteroid Dinkinesh is remarkably small, making it the smallest asteroid to be approached by Lucy. It is a stony, S-type asteroid composed mainly of silicates and some metal.
Researchers have discovered a tiny galaxy with big star power using the James Webb Space Telescope, providing new insights into the universe's early stars. The galaxy is one of the smallest ever discovered at this distance—around 500 million years after the Big Bang—and generated new stars at an extremely high rate for its size.
A Penn State-led research team developed a flat, pancake-sized metalens telescope that can capture clear images of distant objects, including the lunar surface. The innovation uses deep ultraviolet photolithography to produce larger pattern sizes and reduces manufacturing costs.
A team of researchers has created a highly accurate map of the universe's matter distribution, combining data from two major telescope surveys. The analysis reveals that matter is less 'clumpy' than expected, suggesting potential inconsistencies with the current standard model of the universe.
A team of researchers has successfully modeled the complex fluctuations in soft X-ray signals detected by satellites using numerical methods. They were able to capture how the signal varied with the orbital motion of the satellite and reproduce it up to a factor of two, an impressive feat in the field.
Researchers from Waseda University measured the energy spectrum of boron and the B/C flux ratio in high-energy cosmic rays using the CALorimetric Electron Telescope. The results indicate a different spectral index for boron compared to carbon, with implications for our understanding of cosmic ray propagation mechanisms.
Astronomers have discovered a mysterious bright flash emanating from a relativistic jet of matter streaking out from a supermassive black hole. The signal, AT 2022cmc, is the brightest TDE ever detected and originates from a black hole that suddenly began devouring a nearby star, releasing an enormous amount of energy.
Researchers develop a new way to manufacture high-efficiency diffraction gratings using reactive ion-plasma etching, achieving near-theoretical unpolarized diffraction efficiency of 94.3%. The process enables robust and durable gratings suitable for harsh environments.
The study includes 191 asteroids' radar cross sections and Doppler-frequency broadening, offering clues to asteroids' spin periods and sizes. The research also discovered two metal-rich near-Earth asteroids and five possible enstatite-rich asteroids, shedding new light on the formation and evolution of the solar system.
Astronomers have observed dust plumes from the binary star system WR140 being accelerated into interstellar space by intense starlight. The team used the James Webb Space Telescope to capture images of the dusty plumes, which form a cone-shaped shock front between the two stars.
The SETI Institute and Unistellar are launching a new exoplanet detection program that engages citizen scientists worldwide. Citizen astronomers will help confirm exoplanet candidates identified by NASA's TESS using Unistellar's eVscope or other telescopes.
A new study suggests that Earth's habitability could increase if Jupiter's orbit becomes more eccentric, leading to parts of the surface warming up and becoming habitable for multiple life forms. The researchers also found that this change in Jupiter's orbit could have implications for the search for habitable planets around other stars.
Astronomers use telescopes to analyze light from distant worlds, but 'photobombing' can occur when nearby planets contaminate the view. Researchers propose methods to mitigate this effect, such as data processing and multiple telescope observations, to improve habitable planet detection.
The heaviest neutron star detected has consumed nearly all the mass of its companion, growing into a record-breaking object. The study provides constraints on matter's behavior at extreme densities, potentially excluding exotic states of matter.
A team of researchers has discovered a wide range of nitriles, key molecular precursors for life, in the interstellar molecular cloud G+0.693-0.027 near the Milky Way center. The study provides important insights into the chemical ingredients available in the nebula that give rise to our planetary system.
Researchers at University of Cologne and Masaryk University discovered a star, S4716, orbiting Sagittarius A* in just four years and reaching speeds of 8000 kilometers per second. The study sheds new light on the origin and evolution of fast-moving stars near black holes.
A unique new instrument and powerful telescope allow researchers to peer into galactic nurseries at the heart of the young universe. The team used gravitationally lensed galaxies to observe two DLA clouds, determining their size and mass for the first time.
Astronomers at Stanford University propose a new method to manipulate solar gravitational lensing to create advanced imaging capabilities for detecting and studying exoplanets. The technique, developed by Alexander Madurowicz, uses the sun's gravity as a natural telescope to capture fine details on planet surfaces.
The MAGIC telescopes detected gamma rays with energies of 250 gigaelectronvolts from the RS Ophiuchi nova, a hundred billion times more energetic than visible light. This suggests that nova outbursts are a source of cosmic rays, specifically accelerated protons and nuclei of hydrogen atoms.
The Dragonfly telescope has spotted previously unseen gas clouds around galaxies, revealing new insights into galaxy fuel dynamics. The telescope's innovative filter allows it to block starlight and isolate images of gas structures, enabling researchers to study the dynamics of how gas gets in and out of galaxies.
A team of astronomers discovered neutron stars blowing hot, warm and cold winds while consuming matter from a nearby star. The discovery provides key information about the behaviors of these extreme cosmic objects, which contribute to the formation of new stars and galaxy evolution.
Scientists have successfully identified a real-life Tatooine, the gas giant planet Kepler-16b, orbiting two stars using a new ground-based telescope technique called radial velocity method. This discovery opens the door for applying this method to find other systems with planets that could be habitable.
Researchers at Lund University mapped Ytterbium's origin to supernova explosions, revealing new opportunities for studying galaxy evolution. The study provides insight into the element's dual cosmic origins from heavy and regular stars.
Researchers have discovered a ring of planetary debris orbiting close to a white dwarf star, suggesting the presence of a nearby planet in the habitable zone. The planet is thought to be similar in size to terrestrial planets in our solar system and could support liquid water, making it potentially habitable.
The UH-discovered Earth Trojan asteroid is the largest to date, offering valuable data on its orbital stability. Researchers conducted an observational study and analyzed the asteroid's photometric characteristics, shedding light on its properties.
A team of astronomers has discovered a mysterious object releasing giant bursts of energy three times an hour, which could be a neutron star or white dwarf with an ultra-powerful magnetic field. The object is incredibly bright and smaller than the Sun, emitting highly-polarised radio waves.
The SETI Institute has teamed up with Louisiana State University and Mississippi State University to assist in designing the science program for L-CAM 1, a lunar-based telescope. The team developed two science cases for observing targets based on understanding the benefits and limitations of a lunar observatory.
Researchers have discovered a giant gas planet, TOI-2180 b, with a diameter comparable to Jupiter's and a mass nearly three times that of Earth. The planet is also believed to contain 105 times the mass of elements heavier than helium and hydrogen.
Researchers have found no dark matter in the ultra-diffuse dwarf galaxy AGC 114905, which can be explained by normal matter. The discovery confirms previous measurements and raises questions about the existence of dark matter in galaxies.
A research team from Göttingen University observed magnetic forces arranging gas particles in solar prominences, with charged particles moving at speeds of up to 42 km/s. This phenomenon is significant for understanding astrophysical processes, including star and planet formation.
Researchers found significant reservoirs of large organic molecules in protoplanetary disks, providing a potential pathway for life to form elsewhere. The presence of these molecules suggests basic chemical conditions that led to life on Earth could exist more widely across the Galaxy.
Researchers developed the Storywrangler, a data-driven tool analyzing over 150 billion tweets, providing insights into global conversations, popularity, and emerging trends. The tool reveals potential predictors of geopolitical risk and demonstrates its potential to index everyday conversations.
Japanese astronomers developed an AI technique to remove noise in galaxy shapes caused by random variations. The new tool was applied to actual data from Japan's Subaru Telescope and found consistent results with accepted models of the Universe.
Researchers designed a cascaded LC flat optical element to achieve steering angle magnification independent of incident beam position. The system consists of two flat optical elements with phase profiles, achieving nearly diffraction-limited performance through ray-tracing simulations.
A team of UK scientists has confirmed a decades-long theoretical prediction about gamma-ray bursts. They measured the magnetic field in a far-off Gamma-Ray Burst and found it was scrambled after the ejected material crashed into, and shocked, the surrounding medium. This discovery sheds new light on these extreme cosmic blasts.
Researchers from uOttawa propose a new optical element called spaceplate, which simulates light spreading in a small device, enabling the miniaturization of optical systems. This technology has potential applications in fields like healthcare, where thin cameras or endoscopes could be used to visualize internal organs.
Scientists have recorded the most energetic radiation and longest gamma-ray afterglow of a gamma-ray burst, revealing similar spectral characteristics between X-ray and very-high energy gamma-rays. This challenge to established theory highlights the need for further studies of very-high energy GRB afterglow emission.
Researchers at the Center for Astrophysics | Harvard & Smithsonian are using a $2.8 million grant to test their theory that astronomy can be an early gateway to attract youth to STEM fields. The program, YouthAstroNet, has already shown positive results in increasing interest and confidence among students from underrepresented groups.
A new approach using reimagined telescopes in both hemispheres could help study dark matter and gravitational waves. The BICEP/Keck array is exploring the possibility of increasing scan length to capture larger areas, yielding promising early results.
A new study highlights scenarios where a rocky planet around a sun-like star could have oxygen in its atmosphere without life. Astronomers say next-generation telescopes need to characterize planetary environments and detect multiple lines of evidence to distinguish false positives from signs of life.
Research reveals large galaxies steal molecular gas from smaller satellite galaxies, impacting star formation rates. The study provides new systematic evidence of gas loss through ram pressure stripping, leading to galaxy stagnation without gas acquisition.
The Hayabusa2 mission successfully returned asteroid samples from Ryugu, a carbonaceous asteroid believed to contain organic materials. The return marks the second successful sample-return mission in history, offering insights into the origin of life and potential resource utilization for space exploration.
The team aims to discover millisecond pulsars, exotic binary systems, and intermittent pulsars. Simulations predict the full survey will uncover 20-30 MSPs and 150-200 normal pulsars.
The CHARA Array, the world's largest optical interferometer, has received $7.1 million to fund a new mobile telescope and expand its open-access program for scientists. The new telescope will increase the array's diameter to over one kilometer and provide the highest resolution of any instrument in the world.
Astronomers used AI to classify spiral galaxies in Subaru Telescope images, achieving 97.5% accuracy and identifying 80,000 galaxies.
Astronomers used machine learning to discover a rare galaxy with an oxygen abundance of 1.6% solar levels, setting a new record. The galaxy is thought to be in its early stages of formation, contradicting standard cosmology predictions.
A team of astronomers discovered a stellar stream composed of the remnants of an ancient globular cluster torn apart by the Milky Way's gravity 2 billion years ago. The Phoenix Stream is distinct from other globular clusters and suggests that there may be no minimum abundance of heavier elements required for their formation.