Articles tagged with Space Telescopes
Astronomers use Hubble to pin five FRBs to host galaxies and identify their origins as young magnetar outbursts. The study provides new insights into the nature of these powerful events, which generate energy equivalent to the Sun's in a year.
Researchers at the Centre Spatial de Liège developed a method to identify and characterize stray light on space telescopes using femto-second pulsed lasers. This will improve the quality of images and develop more efficient space instruments.
Astronomers have discovered a mysterious yellow star that exploded without the typical hydrogen layer, revealing new insights into the violent death throes of massive stars. The discovery challenges current understanding of stellar evolution and suggests that these stars may undergo catastrophic eruptions before exploding.
Researchers used NASA's Hubble Space Telescope to examine the massive star two-and-a-half years before its explosion. The team found that the star lacked its typical hydrogen layer, making it unusually cool before exploding into a supernova.
The Hubble Space Telescope has captured the first-ever direct image of a giant exoplanet, PDS 70b, which is feeding off material surrounding its young star. The observations provide a unique look at radiation from extremely hot gas falling onto the planet, allowing scientists to estimate how fast it's gaining mass.
Astronomers capture breathtaking images of AG Carinae, a luminous blue variable star surrounded by a glowing halo of gas and dust. The star is in a constant battle to maintain stability due to its massive form and super-hot temperatures.
A massive flare from Proxima Centauri, the star closest to our sun, has been detected, shattering previous records. The flare was observed for 40 hours using nine telescopes and produced a wide spectrum of radiation.
Three rapidly rotating brown dwarfs were discovered spinning around their axes once every hour, reaching speeds of about 350,000 kilometers per hour. This extreme rotation rate is ten times faster than Jupiter and poses a risk to the stability of these objects.
Engineers successfully folded NASA's James Webb Space Telescope sunshield, a five-layer diamond-shaped structure to fit within its launch vehicle. The compact form will remain through launch and the first few days in space to protect optics from heat interference.
The discovery of four double quasars offers insights into galaxy formation and the evolution of supermassive black holes. Quasars are brilliant beacons that can outshine entire galaxies, and their proximity in merging galaxies provides a unique window into the early universe.
Astronomers have found a concentration of smaller black holes at the center of the globular cluster NGC 6397, contradicting the long-held assumption of an intermediate-mass black hole. The discovery was made using Hubble data and Gaia space observatory measurements.
A team of researchers used novel data analysis methods and Einstein@Home computing power to track down a neutron star's gamma-ray pulsations in NASA's Fermi Space Telescope data. The study reveals the existence of a rapidly rotating neutron star in orbit with a stellar companion about six times the mass of our Sun.
Researchers from RIT and Green Bank Observatory used Hubble Space Telescope images to analyze the Butterfly Nebula (NGC 6302) and Jewel Bug Nebula (NGC 7027), shedding light on nebula formation processes. The study confirmed that the Butterfly Nebula was ejected only about 2,000 years ago, with its S-shaped iron emission possibly even ...
Astronomers have traced the speedy shrapnel from a nearby supernova blast to calculate its location and time, yielding an estimated explosion age of 1,700 years ago. The researchers used NASA's Hubble Space Telescope and analyzed visible-light observations made 10 years apart.
The Roman Space Telescope will enable new science in astrophysics by imaging an area 100 times larger than Hubble with the same crisp sharpness. It could reveal new insights into star formation during the universe's youth and galaxy clustering, as well as study the early universe and cosmic dawn.
The Hubble imaging Probe of Extreme Environments and Clusters (HiPEEC) survey investigates how star clusters form and evolve during galaxy mergers. The study reveals large and rapid variations in star cluster properties, with the most massive clusters formed towards the end of the merger phase.
The five-layer sunshield of the James Webb Space Telescope has completed a final series of large-scale deployment and tensioning tests, putting the observatory one step closer to its launch. The sunshield protects the telescope from heat and light, maintaining an extremely cold temperature for groundbreaking science in infrared light.
Astronomers have measured the motion of a massive Jupiter-like planet in an unlikely orbit around a double star, sparking questions about its formation and evolution. The discovery offers evidence that such oddball orbits are possible and may hold clues to the mysterious Planet Nine in our solar system.
The Stingray nebula has faded precipitously over the past two decades due to a temperature drop in its central star, SAO 244567. Researchers have observed unprecedented changes in the nebula's structure and brightness, with the oxygen emission dropping by nearly 1,000 times between 1996 and 2016.
The Stingray Nebula, a young planetary nebula, has faded significantly over the past 20 years, losing its bright colors and shape. Its rapid dimming is likely connected to the cooling of its parent star, which has reduced ultraviolet ionizing radiation.
Researchers spot potential magnetar birth from neutron star merger, which resulted in a brilliant kilonova, the brightest ever seen. The team's findings challenge conventional thinking and offer insights into the physics behind extreme energy explosions.
Astronomers have developed a new method to detect dark matter haloes surrounding galaxies, allowing for more precise measurements of the invisible mass. By analyzing the gravitational lensing effect on galaxy rotation, researchers can infer the amount of dark matter required to explain observed distortions.
The ULLYSES program aims to create a comprehensive dataset for understanding star formation and its impact on planet habitability. The Hubble Space Telescope will observe over 300 stars across eight regions, capturing their spectral templates to inform research on stellar evolution and planetary chemistry.
A team of scientists from Northern Arizona University reviewed the Spitzer Space Telescope's legacy in Nature Astronomy, documenting its groundbreaking discoveries about comets, stars, exoplanets, and distant galaxies. The papers also suggest targets for the next-generation James Webb Space Telescope.
The NASA/ESA Hubble Space Telescope has captured a stunning image of the Great Barred Spiral Galaxy NGC 1365, showcasing hundreds of baby stars and dusty sites of future stellar nurseries. The PHANGS survey, conducted jointly with ALMA in Chile, aims to understand how galaxy environments influence star formation.
The Spitzer Space Telescope made significant discoveries in the solar system during its 16-year mission, providing a never-before-possible look at the universe. New papers catalog these findings and offer guidance for future scientists studying exoplanets and planet formation.
Hubble observed SN 2018gv in February 2018 to precisely measure the universe's expansion rate. The supernova serves as a 'milepost marker' to calculate galaxy distances and fundamental values needed for measuring space expansion.
NASA's Hubble Space Telescope has captured a crisp new image of Jupiter's storms, revealing a bright white plume traveling around the planet at 350 miles per hour. The Great Red Spot, currently an exceptionally rich red color, is shrinking in size and appears to be interacting with surrounding clouds.
Astronomers have found a Jupiter-sized planet orbiting a white dwarf star at breakneck speed every 34 hours. The system violates common conventions and may provide a rare habitable arrangement for life to arise.
The Giant Magellan Telescope will utilize revolutionary optical technologies to transform humanity's view and understanding of the universe. The NSF grant enables the prototyping and testing of advanced optics, including adaptive secondary mirrors and phasing testbeds, to achieve diffraction-limited imaging.
Astronomers have discovered a halo of warm gas surrounding the Magellanic Clouds, which explains the formation of the massive stream of gas in the Milky Way. The new model explains how the stream adopted its filamentous shape and why it lacks stars.
Researchers have eliminated dark matter candidates as the origin of excess gamma rays detected in the Milky Way's galaxy center through extensive modeling exercises. The study puts strongest constraints yet on dark matter properties, ruling out weakly interacting massive particles up to very high-mass particles.
The James Webb Space Telescope successfully completed a critical ground segment test, demonstrating the complete end-to-end flow from planning science observations to downlinking data. This milestone validates the observatory's ability to respond to commands and function in space.
The Roman Space Telescope will detect hundreds of rogue planets using microlensing surveys, improving our understanding of planetary demographics. The mission aims to narrow down competing models of planetary formation by studying isolated planets with masses as small as Mars.
Hubble Space Telescope images reveal comet NEOWISE's intact nucleus and intricate coma structure. The telescope's high resolution allows for the detection of dust and gas jets emanating from the nucleus, providing valuable insights into the comet's composition and behavior.
New observations by Hubble reveal a massive dust cloud formed when superhot plasma was unleashed from an upwelling of a large convection cell on the star's surface, blocking light from about a quarter of Betelgeuse's surface.
The James Webb Space Telescope will conduct pioneering observations of Jupiter, its ring system, and two intriguing moons Ganymede and Io. The study aims to investigate the moon's interaction with particles in Jupiter's magnetic field and its potential liquid saltwater ocean beneath its thick surface ice.
The Roman mission's ground system has successfully completed its preliminary design review, meeting all requirements for science operations. The new data system will enable scientists to conduct sweeping cosmic surveys, yielding a wealth of new information about the universe, including insights into dark matter and dark energy.
The latest Hubble image of Saturn reveals small atmospheric storms in the planet's northern hemisphere, with pronounced banding visible. The ringed planet's atmosphere is mostly hydrogen and helium, with seasonal changes due to increased sunlight also producing a reddish haze.
The Hubble Space Telescope captured an image of a young star surrounded by a disk that casts a huge, 200-light-year-long shadow. The shadow's movement was initially thought to be caused by planet warping the disk, but further observation revealed it was actually flapping like wings.
Astronomers have discovered 25 debris disks around young stars, revealing evidence of planets in nearly all cases. The high-resolution images were obtained using the Gemini Planet Imager and show a variety of shapes and sizes of stellar systems during their prime planet-forming years.
Researchers have found unprecedented levels of complexity and rapid changes in jets and gas bubbles blasting off from the centers of two young planetary nebulas. Hubble's multi-wavelength observations are helping to converge on an understanding of the mechanisms underlying these chaotic fireworks.
The James Webb Space Telescope has successfully tested its deployable tower extension, a critical component that allows the observatory to cool down and unfold in space. The test simulated zero-gravity conditions and performed exactly as predicted, providing valuable insights into the telescope's performance.
A team of European researchers used Hubble Space Telescope to study the early Universe, finding no evidence of Population III stars. The discovery suggests that galaxies must have formed much earlier than previously thought, supporting the idea that low-mass galaxies are responsible for reionisation.
A three-year study of Westerlund 2, a massive young star cluster, reveals that the material surrounding stars near the centre is mysteriously devoid of dense clouds of dust. This is caused by the brightest stars eroding and dispersing the discs of gas and dust of neighbouring stars.
Astronomers found that stars in the cluster's periphery have planet-forming dust clouds, while those near the center lack them. The observations suggest that location plays a crucial role in planet formation, and massive stars may alter disk properties, making it harder for planets to form.
The James Webb Space Telescope has achieved a significant milestone by being fully folded and stowed into its launch configuration. The observatory will unfold and stretch itself out in space before making groundbreaking observations of the cosmos.
The James Webb Space Telescope will survey the Trapezium Cluster in the Orion Nebula to understand how young stars and planets form. The team will study the distribution of masses, planet formation phases, and jets from young stars, shedding light on stellar nursery riddles.
The Hubble Space Telescope has imaged the breakup of comet C/2019 Y4 (ATLAS), revealing approximately 30 fragments on April 20 and 25 pieces on April 23. The comet's fragmented appearance changes substantially between the two days, sparking debate among researchers about the cause of fragmentation.
The Hubble Space Telescope has unveiled a breathtaking portrait of a firestorm of starbirth in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. This iconic image, nicknamed the 'Cosmic Reef,' showcases the telescope's enduring legacy and transformative impact on modern astronomy.
Astronomers have improved a mathematical model to accurately gauge the temperatures of planets from solar systems hundreds of light-years away. This new model allows scientists to gather data on an exoplanet's molecular chemistry, gaining insight into the cosmos' planetary beginnings.
Astronomers previously believed Fomalhaut b to be a planet, but Hubble observations reveal it may have been a cloud of dust particles from a titanic collision. The object's unusual brightness and trajectory are explained by a massive dust cloud experiencing radiative forces from the central star.
Researchers at the University of Arizona conclude that Fomalhaut b, a suspected exoplanet, was likely an expanding cloud of dust from a cosmic collision. The team's analysis of Hubble data reveals characteristics that suggest the planet may never have existed.
Astronomers have identified a supernova at least twice as bright and energetic as any recorded, with calculations suggesting it may be an extremely rare 'pulsational pair-instability' supernova. The explosion was powered by a collision between the supernova and a massive shell of gas.
Astronomers have discovered a black hole weighing 50,000 times the mass of our Sun, offering the strongest evidence yet for intermediate-mass black holes in the universe. Hubble's observations confirmed that the object was tearing apart a star that passed too close, providing key evidence for its existence.
The James Webb Space Telescope has successfully deployed its primary mirror, a 21-foot 4-inch mirror that will collect light from observed objects. The deployment was performed in early March as part of the observatory's final tests before launch in 2021.
Researchers used XMM-Newton space telescope data to search for a 3.5 keV X-ray emission line, a predicted signature of dark matter decay. No evidence was found, ruling out the signal strength by over an order of magnitude and challenging previous interpretations.
Astronomer Mark Loeffler recreates interstellar space conditions to study homonuclear molecules in ice form. The James Webb Space Telescope will help detect these molecules, allowing scientists to better understand molecular cloud composition and its role in planetary system formation.
Astronomers will use transmission spectroscopy and phase curves to observe the atmospheres of seven rocky planets in the TRAPPIST-1 system. The goal is to determine if these planets have atmospheres and what they're made of, which could help find out if life as we know it could survive on these distant worlds.
The CHEOPS space telescope has successfully opened its cover following a series of tests, enabling further activities including star and planet imaging. The first images are expected to be published within one or two weeks, allowing the team to assess the instrument's abilities.