Articles tagged with Space Telescopes
Scientists in Japan developed a high-resolution X-ray telescope using precision mirror-making technology, capable of distinguishing objects 3.5 mm wide from 1 km away. The telescope was tested on the ground using a unique evaluation system before launch on the FOXSI sounding rocket mission.
The discovery of TOI-5205 b, a Jupiter-sized planet orbiting a four times more massive star than our Sun, reveals its atmosphere has fewer heavy elements than expected. The research suggests that the planet's interior and atmosphere are not mixing, resulting in a carbon-rich, oxygen-poor atmosphere.
A new AI pipeline called RAVEN has validated over 100 exoplanets, including 31 newly detected planets, using NASA's TESS data. The study found that around 9-10% of Sun-like stars host a close-in planet, and 'Neptunian desert' planets occur around just 0.08% of Sun-like stars.
A team of astronomers has discovered a planetary system with four planets that breaks the conventional pattern of rocky inner worlds and gaseous outer planets. The system, LHS 1903, features a rocky outer world, defying expectations, which may have formed in a gas-depleted environment.
A team of researchers has observed a massive galaxy cluster that challenges existing models of the universe's evolution. The cluster's unusual structure and high density of cold, neutral hydrogen gas suggest a different history than previously thought. This discovery raises questions about the fate of large structures in the universe.
Researchers identified nine objects with characteristics of stars and galaxies, sparking new questions about the cosmos. These 'platypus galaxies' have narrow emission lines indicative of active star formation, defying expectations.
A team of astronomers used NASA's JWST to reveal an alien atmosphere in the ancient, ultra-hot super-Earth TOI-561 b. The planet's thick atmosphere is upending conventional wisdom about ultra-short-period planets, and its composition could be representative of planets that formed when the universe was relatively young.
Astronomers discover galaxy Virgil with dual personality – ordinary in visible light but harboring massive black hole. JWST observations reveal hidden nature of Virgil, challenging current models of black hole formation.
The article proposes a circular economy approach to reduce waste, increase durability, and repurpose spacecraft and satellites. Data analysis and digital technologies will be essential for developing sustainable practices.
Researchers used NASA's IXPE telescope to study the innermost region of an intermediate polar, revealing a surprisingly high degree of X-ray polarization and an unexpected direction of polarization. The team found that X-rays were emitted from a column of white-hot material pulled in by the white dwarf's strong magnetic field.
New research reveals Pleiades star cluster as core of larger structure spanning 1,950 light-years, with similar ages and chemical compositions among its members. The study uses rotation-based approach to identify stars sharing origin story.
Researchers have successfully demonstrated next-generation error correction codes to mitigate the impact of atmospheric turbulence on ground-to-satellite laser communications. The new codes significantly improved communication quality compared to conventional schemes, enabling practical implementation of ground-to-satellite laser links.
A brown dwarf companion, J1446B, has been found orbiting a nearby M dwarf star, LSPM J1446+4633. The discovery uses a synergy of ground- and space-based observatories, including Subaru's IRD instrument and the Gaia mission, to determine the dynamical mass and orbital parameters of the brown dwarf with unprecedented accuracy.
Researchers at WVU are enhancing the calibration of radio telescopes to measure dark energy by analyzing the '21-centimeter signal' from neutral hydrogen atoms. This technique aims to improve the ability of radio telescopes to detect large-scale structures in the universe, such as galaxy clusters and voids.
The Gaia space telescope has discovered a giant wave in the Milky Way galaxy, causing stars to wobble over vast distances. The wave stretches across a huge portion of the galactic disc, affecting stars up to 65 thousand light-years away from the centre.
Astronomers from Trinity College Dublin used the James Webb Space Telescope to study the weather of a nearby rogue planet, SIMP-0136. They found strong auroral activity similar to Earth's Northern Lights and detected minute changes in temperature, cloud cover, and chemistry.
Astronomers used Gaia's data to create the most accurate 3D map of star-forming regions in our galaxy, revealing the location and ionization of hot young stars. The map extends to 4000 light-years from us and includes detailed views of notable nebulae.
A new telescope shape, a one-by-20 meter rectangle, could separate stars from exoplanets and find half of all existing Earth-like planets within 30 light-years in less than three years. This design requires minimal technological development compared to other leading ideas.
Researchers found cosmic dust with crystalline structures and PAHs in the Butterfly Nebula, revealing how rocky planets form. The discovery provides a clearer picture of planetary nebula formation.
NASA successfully tested the Roman space telescope's solar panel system and its 'visor' mechanism, a novel approach to deployable solar arrays. The test paves the way for future deep space missions that require efficient and reliable power generation.
Researchers at Penn State and NASA's Jet Propulsion Laboratory analyzed human deep space communications to determine the most likely places to detect signals from an extraterrestrial intelligence. They found that transmissions to deep space, including spacecraft near Mars, are more detectable than those intended for low-Earth orbit.
A previously unknown tiny moon has been discovered orbiting Uranus, bringing the planet's total moon count to 29. The small object, designated S/2025 U 1, is estimated to be around six miles in diameter and was detected using the Near-Infrared Camera on the James Webb Space Telescope.
A Southwest Research Institute (SwRI) review of data collected from near-Earth asteroids Bennu and Ryugu supports the hypothesis that they were originally part of the Polana collisional family. The study found similarities in their near-infrared spectrum, suggesting a common origin.
Researchers used infrared images to spot bright objects, then applied the 'dropout' technique to confirm their nature. The study could challenge current ideas about galaxy formation in the early universe if confirmed.
Researchers have discovered a rare white dwarf remnant with a carbon signature, suggesting it formed from the merger of two stars. The high-mass white dwarf, WD 0525+526, has a thin atmosphere that allows carbon to reach its surface, providing insights into the early stages of stellar evolution.
The Nancy Grace Roman Space Telescope will feature a 'sunblock' shield made of lightweight yet stiff panels designed to limit heat transfer. The observatory's instruments will benefit from this design, which can detect faint signals from space.
Scientists at SwRI conducted lab experiments to explain the mysterious distribution of hydrogen peroxide on Jupiter's icy moon Europa. The research found that trace amounts of CO2 in water ice can enhance hydrogen peroxide production, shedding light on the moon's habitability and chemical cycles.
Researchers developed a novel Cu-Al-Mn alloy with a special shape memory effect at temperatures as low as -200°C, surpassing previous limitations. The alloy's potential applications include high-performance actuators for cooling systems in space telescopes and advanced carbon-neutral initiatives.
The NASA Roman Space Telescope team has completed installing solar panels on the observatory, a crucial step towards launch. The Solar Array Sun Shield will provide power and shade, keeping instruments cool for infrared observations.
A team of researchers has discovered that a specific radio signal can reveal the masses of the earliest stars, crucial for understanding the Cosmic Dawn. The study utilizes the 21-centimetre signal, created by hydrogen atoms filling gaps between star-forming regions, to inform predictions about future radio telescopes like REACH and SKA.
Researchers found a huge filament of hot gas in the Shapley Supercluster, containing some of the Universe's 'missing' matter. The discovery was made using XMM-Newton and Suzaku space telescopes, revealing a thread of gas stretching over 23 million light-years.
Astronomers have discovered the most energetic cosmic explosions yet discovered, named 'extreme nuclear transients' (ENTs), which occur when massive stars are torn apart after wandering too close to a supermassive black hole. ENTs release vast amounts of energy visible across enormous distances and remain luminous for years.
The Roman Space Telescope has successfully completed vibration testing, passing a key milestone that brings it one step closer to answering cosmic mysteries. The team simulated launch conditions and tested the observatory's core portion, which will now undergo additional tests before being assembled with its outer portion.
A team led by UChicago scientist Wendy Freedman has used the James Webb Space Telescope to find no evidence of tension in the Hubble Constant, resolving a decade-long conflict. The new data strengthens the Standard Model of the universe, suggesting that the Hubble Constant may not be the source of inconsistencies.
Researchers detected atmospheric methane and silicon monoxide on WASP-121b, suggesting it accumulated most of its gas in a cold region before becoming an ultra-hot giant planet. The team proposes that strong vertical winds on the nightside replenish methane gas to maintain its high abundance.
New data from the James Webb Space Telescope suggests that Europa's icy surface is constantly changing due to interactions with charged particles. Laboratory experiments also found evidence of crystalline ice beneath the amorphous ice layer, indicating a possible liquid ocean beneath the surface.
Researchers use NASA's James Webb Space Telescope to investigate a protoplanetary disk around a young star in the Lobster Nebula. They found sufficient solid material to potentially form at least 10 rocky planets and detected various molecules that contribute to planetary atmospheres.
Roman Space Telescope successfully completes thermal vacuum test to ensure precise instrument temperatures. The telescope is set to connect major parts in November and complete final tests by the end of the year.
Roman's surveys will investigate dark energy and dark matter governing cosmic evolution, and study the demographics of worlds beyond our solar system. The missions include High-Latitude Wide-Area Survey, High-Latitude Time-Domain Survey, and Galactic Bulge Time-Domain Survey.
Researchers analyzed Trans-Neptunian Objects using the James Webb Space Telescope, finding two distinct groups with varying surface ice methanol presence. The discovery sheds light on the formation and evolution of these distant icy worlds, revealing insights into the solar system's origins and potentially habitable exoplanets.
Scientists have discovered a planet with a comet-like tail, shedding surface minerals and evaporating away due to its close proximity to its star. The planet is estimated to disintegrate in about 1 million to 2 million years, leaving behind a long and dusty tail.
Researchers develop a new coronagraph that can detect exoplanets obscured by light from their parent stars, providing insights into the possibility of life beyond Earth. The device uses spatial mode sorters to isolate and eliminate starlight, capturing images of exoplanets with unprecedented sensitivity.
The detection of dimethyl sulfide and dimethyl disulfide in the atmosphere of exoplanet K2-18b provides the strongest evidence yet for biological activity outside our solar system. The signals are consistent with predictions for a 'Hycean' planet, but further observations are needed to confirm the findings.
Astronomers have discovered a massive spiral galaxy resembling the Milky Way, formed just 1 billion years after the Big Bang. The galaxy, Zhúlóng, exhibits a mature structure with a central old bulge and large star-forming disk, challenging our understanding of galaxy formation.
A distant galaxy's black hole has suddenly activated, producing rare and intense X-ray light bursts. The phenomenon, known as a quasiperiodic eruption, challenges existing models of black hole behavior and offers an unprecedented opportunity for astronomers to study the energetic events powering these cosmic monsters.
Researchers have found evidence of a new population of faint galaxies hidden in the far-infrared sky, which could break current models of galaxy numbers and evolution. The discovery was made using data from the Herschel Space Observatory, which revealed a deeper image of the universe than ever before.
Researchers found a high-velocity star ejected from a globular cluster at an extreme velocity of nearly 550 km/s, suggesting the presence of an intermediate-mass black hole. The star's similarities with the cluster's chemical composition and age provide strong evidence for the IMBH's existence.
Researchers estimate that detecting no signs of life on 40-80 exoplanets would allow for an upper limit on the prevalence of life in the universe. However, uncertainties and biases in individual observations must be carefully considered to ensure reliable results.
Scientists studied Sagittarius C using the James Webb Space Telescope to understand why fewer new stars are born in the region. They discovered powerful magnetic field lines that form long, bright filaments of hot hydrogen gas, slowing down star formation.
The NASA Hubble Fellowship Program has selected 24 outstanding astrophysicists for the 2025 class, providing up to three years of support at a U.S. institution. The fellowships aim to foster excellence and leadership in astrophysics by supporting innovative early-career researchers.
Researchers from Osaka Metropolitan University used a deep learning model to discover new bubble-like structures in the Milky Way galaxy, providing insights into star formation and galaxy evolution. The study also revealed shell-like structures formed by supernova explosions.
The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system. The observations suggest that four giant planets formed like Jupiter and Saturn by slowly building solid cores, providing strong evidence for core accretion as their formation model.
Researchers identify methyl halides as a potential sign of microbial life on Hycean planets with thick hydrogen atmospheres. The gas could accumulate in exoplanet atmospheres and be detectable from light-years away, offering an optimal strategy for the search for extraterrestrial life.
Astronomers observed a bright and chemically complex galaxy, JADES-GS-z14-0, when the universe was just 2% of its current age. The discovery reveals significant amounts of oxygen, suggesting the galaxy had formed stars for potentially 100 million years before observation.
Researchers from UNSW Sydney have discovered a potential new exoplanet using the transit timing variation method. The new planet is estimated to be 10-16 times the size of Earth and orbits its star in under 16 days.
Researchers discovered reflective clouds on the western hemisphere of LTT 9779 b, a rare 'ultra-hot Neptune,' creating a striking contrast to its hotter eastern side. The team's findings reveal a delicate balance between intense heat from the star and the planet's ability to redistribute energy.
Researchers from Politecnico di Milano and Georgia Tech analyzed NASA's DART mission to asteroid Dimorphos, revealing a viable mechanism for ejecta evolution and understanding the impact of an asteroid's shape on deflection. The studies suggest that sending multiple smaller impactors can increase the asteroid push while reducing costs.
A Northwestern University-led team observed Sagittarius A*, the Milky Way's supermassive black hole, exhibiting a constant stream of flares with no periods of rest. The level of activity varies widely, from short interludes to long stretches, and appears to be random.
Researchers at the University of Illinois have developed a methodology for multiple CubeSats to act as service agents for assembling or repairing space telescopes. The method minimizes fuel consumption and guarantees safe operations without collisions.
NASA has successfully integrated its deployable aperture cover sunshade with the outer barrel assembly of the Roman Observatory, enhancing the telescope's ability to detect faint light from across the universe. The integration marks a significant milestone in the mission's assembly and testing phase.