Researchers discover that some red giants contain less iron and more elements like magnesium and calcium, suggesting an ancient age. The study reveals that these stars may have merged with others during their transformation into red giants, explaining the apparent paradox.
A Southwest Research Institute-led team studied the orientation of distant solar system bodies in binary pairs, providing insights into planet formation. Most Kuiper Belt objects (80%) orbit in a prograde direction, contradicting theories on binary formation and supporting the streaming instability hypothesis.
A team of researchers has discovered a massive star that formed a planetary nebula, pushing the limits of theoretical predictions. The star, PNe BMP1613-5406, is one of the most massive stars ever found to have formed a PN, providing valuable insights into stellar evolution and chemical composition.
A new study analyzing 300 stars finds that Jupiter-like gas giants congregate between 3 and 10 astronomical units from their stars. This 'sweet spot' is where most large planets are found, peaking in occurrence rate around 3-10 AU.
The Gemini Planet Imager survey discovered six planets and three brown dwarfs orbiting 300 stars, offering new insights into the formation of Jupiter-like planets and their distribution around high-mass stars. The findings suggest that wide-orbiting giant planets are more common around high mass stars, but rare around sun-like stars.
Researchers found that using a binary solvent mixture can improve the efficiency of polymer solar cells. By varying the casting solvent, they were able to control the molecular organization and nanoscale morphology of fluorinated non-fullerene acceptors, resulting in higher power conversion efficiencies.
A new study reveals that rare 'superflares' can occur on older, quieter stars like our sun, posing a threat to Earth's electronics. The events, which eject huge bursts of energy, could disrupt communication satellites and cause blackouts.
Researchers used chemical composition of stars to determine Gaia Sausage's age, estimating it formed around 12.5 billion years ago. The study suggests a collision with the Milky Way disrupted star formation in our galaxy.
New observations of the NGC 300 spiral galaxy reveal that molecular clouds are short-lived structures undergoing rapid lifecycles driven by intense stellar radiation. The positions of young stars rarely coincide with those of their parent molecular clouds, indicating rapid star formation and gas dispersion.
The discovery of three exocomets in the Beta Pictoris system provides significant evidence for their existence. The exoplanet-hunting space telescope TESS revealed a signal from darkening objects in the star's orbit, which were later confirmed as comets.
Astronomers found that early supernovae ejected violent jets, enriching the gas clouds of subsequent stars. The team's discovery challenges previous assumptions about the first stars' explosions.
Astronomers observed blue supergiants for the first time using data from NASA space telescopes, discovering wave patterns on their surface that reveal properties of these stars. The discoveries confirm two types of waves, providing new prospects for studying massive stars.
Researchers discovered that almost all blue supergiants shimmer in brightness due to waves on their surface, enabling the study of their internal physics and chemistry. This breakthrough enables astronomers to probe the progenitors of supernovae from a novel perspective.
Researchers found a star in the Milky Way Galaxy with low magnesium levels and high Europium levels, indicating it formed elsewhere, likely in a now vanished dwarf galaxy. The discovery suggests galaxy evolution models are supported by the presence of similar chemical signatures in other stars from dwarf galaxies orbiting the Milky Way.
Astronomers have observed a unique X-ray signal from a binary neutron star merger 6.6 billion light years away, which is highly likely powered by a magnetar. This discovery provides new insights into the physics of neutron stars and challenges existing theories on the ending of a binary neutron star merger system.
A team of international astronomers, including UNLV's Bing Zhang, has discovered a new way to spot neutron star mergers using a bright X-ray burst detected by NASA's Chandra X-ray Observatory. The observation validated predictions made in 2013 and provided a rare glimpse into how neutron stars are formed.
The Hubble Space Telescope has revealed a stunning image of Messier 3, a massive globular cluster containing over half a million stars. The cluster features 274 variable stars, including the rare RR Lyrae type, which can be used as standard candles to measure vast celestial distances.
Researchers found evidence of a giant exoplanet orbiting an evolved binary system, with a mass approximately 13 times that of Jupiter. The discovery was made possible by analyzing variations in eclipse timing and orbital period using Kepler Space Telescope data.
Scientists at the University of Sheffield used a high-speed camera to measure the mass and radius of an ancient star for the first time. This breakthrough verifies stellar structure theory and provides detailed predictions about the star's brightness, color, and future evolution.
SwRI leads largest-ever Hubble survey of the Kuiper Belt, focusing on binary populations and testing planetesimal formation theories. The Solar System Origins Legacy Survey aims to understand solar system architecture and planetary evolution.
The Cornell University-led study identifies 1,822 stars with conditions suitable for finding Earth-like planets and life-supporting environments. These stars are within reach of NASA's James Webb Space Telescope for atmospheric analysis and the detection of signs of life.
Researchers observe two massive protostars forming a binary star system, separated by 180 astronomical units and orbiting each other every 600 years. The study suggests that the stars are formed from a common disk during the initial collapse of the cloud.
Astronomers have discovered a binary star system with PDS 27 and its companion just 4.5 billion km apart, making them the closest high-mass young stellar objects in binaries resolved to date. This discovery provides a valuable laboratory to test theories on high mass binary star formation.
A new study finds that K stars, which are dimmer than the Sun but brighter than faintest stars, may be particularly promising targets for searching for signs of life. K stars live a long time and have less extreme activity in their youth, giving them plenty of time for life to evolve.
Researchers observed that massive stars losing mass to companion stars before exploding can create Type Ib or IIb supernovae. Stellar winds also play a role in the process, especially for high-mass stars.
Astronomers find that binary star interactions can expand the habitable zone, increasing the likelihood of life on planets. Simulations reveal that 20 out of 350 binaries in young star clusters are squeezed together, expanding their habitable zones.
Researchers have discovered a binary interaction between stars, leading to slower mass loss rates. This changes our understanding of how stars end their lives and the chemical evolution of galaxies.
The Habitable Zone Planet Finder enables precise measurement of a star's radial velocity, allowing detection of planets capable of having liquid water on their surfaces. The instrument uses near-infrared light to observe low-mass planets around cool nearby M dwarf stars in Habitable Zones.
The NIST Astrocomb allows the detection of Earth-mass planets orbiting M dwarf stars, which comprise 70% of stars in the galaxy. The precision provided by the comb enables astronomers to find habitable planets around the most ubiquitous stars near Earth.
Measurements of gravitational waves from binary neutron stars will definitively resolve the debate on the universe's expansion rate. By observing 50 binary neutron stars over the next decade, scientists can calculate the Hubble constant accurately, resolving the conflict between conflicting measurements.
Researchers from UCL and Flatiron Institute develop technique to calculate gravitational wave data, enabling accurate measurement of Hubble constant. By observing 50 binary neutron stars over the next decade, scientists can resolve the long-standing debate on the universe's expansion rate.
Astronomers have created the first accurate 3D map of the Milky Way, revealing it is warped and twisted, with young stars in the outer regions.
Researchers led by Penn State astronomer Pragati Pradhan found that stellar winds, composed of protons, electrons, and metal atoms, contain dense clumps. The Chandra data revealed a 'Compton shoulder' indicating back scattering by surrounding matter, providing new insights into star environments.
A study discovered a group of massive stars with high iron dust and low metal content in the Large Magellanic Cloud. The stars have unique spectral properties, and their environment allows for the formation of large quantities of iron dust.
The Magellanic Clouds, near neighbors of the Milky Way, have increased their star formation rate over the past 2 billion years. This study, led by David Nidever, mapped the chemical compositions of thousands of stars in the clouds, revealing a dramatic difference from the Milky Way's slow start.
Researchers discovered a double star system with a planet-forming disc that orbits at right angles to the binary star orbit, challenging traditional theories. The finding suggests that misaligned circumbinary planets may exist and could have unique seasonal variations.
Astronomers have developed a massive library of star spectra, enabling them to reconstruct the composition and history of distant galaxies. By analyzing thousands of stars in our Milky Way galaxy, researchers can build up a "library" of stellar spectra, allowing them to understand the unique mix of stars that makes up each galaxy.
Researchers identified hydrogen-rich debris shed by a companion star, revealing it was likely a red giant or similar star that made its partner go supernova. This discovery sheds light on the types of companions that trigger Type Ia supernovae, which are used for cosmological studies.
Stellar winds from infant stars in the Orion Nebula disrupt the formation of new stars by blowing away seed material. The winds create a bubble that regulates physical conditions and influences star formation activity.
Astronomers have found the first direct evidence of white dwarf stars solidifying into crystals, which could make them billions of years older than previously thought. This discovery has been published in Nature and is based on observations taken with the European Space Agency's Gaia satellite.
Non-binary individuals experience significant health disparities, including higher rates of psychological stress and poverty, according to a new study. Researchers call for improved care and awareness of non-binary patients in healthcare settings.
The MuSCAT2 instrument will use multi-color transit observations to separate actual exoplanets from eclipsing binary stars. This technique is essential for confirming a large number of new transiting exoplanet candidates, including Earth-like habitable planets orbiting stars near the Sun.
Astronomers have discovered two stars, MM 1a and MM 1b, orbiting each other in the young star system. The team used ALMA to image the surrounding gas and dust discs, revealing a massive companion star with a mass ratio of 80:1.
The UTA College of Architecture is working to advance water research with a focus on sustainability through its new UNESCO chair and a $1 million STARs grant. The college aims to explore ways to equitably manage the region's water resources, building on existing research efforts.
The LIGO and Virgo collaborations have detected 10 stellar-mass binary black hole mergers and one neutron star merger, with six of the black hole events previously reported. The new detections include GW170729, GW170809, GW170818, and GW170823, which are included in a new catalog of gravitational-wave events.
Researchers have discovered a binary star system containing massive Wolf-Rayet stars that are spinning extremely fast, producing incredibly fast winds. The system's wind speeds are 100,000 times quicker than a hurricane on Earth, while the surrounding dust cloud moves at a much slower pace, suggesting unequal gas distribution.
Astronomers have discovered a rare gamma-ray binary system, allowing for the study of particle acceleration in a unique environment. The system, consisting of a massive star and a rapidly rotating neutron star, was detected emitting high-energy particles accelerated by its strong magnetic field.
Researchers have successfully measured the Earth's magnetic field in the sodium layer of the mesosphere using laser-generated artificial stars. This technique allows for ground-based observations of the mesosphere, previously difficult to access, and holds promise for monitoring space weather and measuring electrical currents.
The essay emphasizes the importance of inclusive communication in patient care, highlighting the need to avoid assumptions about gender identities and use gender-inclusive language. Using respectful approaches can help clinicians offer patient-centered care that moves beyond binary gender concepts.
Researchers found that the Wild Duck Cluster's stars are older than initially thought due to their rotational periods, which affect their hydrogen core mixing and lifetime. This discovery sheds light on how stars form and evolve, challenging previous assumptions about open clusters.
Researchers found a shared origin in one large merger for most halo stars, indicating the Milky Way formed from a massive collision. The young stars from Gaia-Enceladus are younger than native Milky Way stars in the thick disk region.
Researchers at Yale and the Flatiron Institute found that compact, multiple-planet systems are more likely to form around stars with lower amounts of heavy elements. This discovery suggests new insights into the formation of smaller planets and their potential for supporting life.
A team of UC Riverside-led scientists have made the best measurement yet of why star formation stops in galaxy clusters in the early universe. They found that it takes a galaxy longer to stop forming stars as the universe gets older, with quenching timescales varying across 70 percent of the universe's history.
Researchers have found evidence for a large number of double supermassive black holes, precursors to massive galaxy mergers. The discovery was made by studying radio maps of powerful jet sources, which showed signs of periodic changes in jet direction, indicative of binary black hole mergers.
Researchers used supercomputers to simulate early universe, revealing formation of first stars and galaxies. Metal-enriched gas enabled rapid star formation, leading to smaller, more numerous stars and galaxy evolution.
Researchers have discovered an ultra-stripped supernova, a rare type of supernova believed to play a role in forming binary neutron star systems. The discovery advances understanding of gravitational waves and the origin of precious metals.
Astronomers have observed a massive star's death, creating a compact neutron star binary system. The explosion was unusually faint and the star had an unseen companion that siphoned away most of its mass.
Researchers from Instituto de Astrofísica de Canarias have discovered a star with an atmosphere devoid of metals, which is believed to be one of the oldest objects in the Milky Way. The study provides valuable information about the origin of the universe and the formation of the first stars.
A growing number of Australians question traditional gender boxes, with QUT research examining biological and sociological factors associated with non-binary gender identity recognition. The study found that taller female height is a statistically-relevant factor influencing self-identification as non-binary.
The RIT-led collaboration simulates neutron star mergers, linking them to the creation of heavy elements like gold and platinum. The project aims to improve understanding of binary neutron star merger processes, including electromagnetic signals and strong gravitational wave signatures.