Articles tagged with Stars
Naveen Reddy, an assistant professor at UC Riverside, has been awarded a Sloan Research Fellowship to study the physics of early universe and extragalactic astronomy. The fellowship will support his research on faint galaxies in the distant universe.
The James Webb Space Telescope will be displayed life-size at the South by Southwest festival in Austin, Texas, featuring exhibits and educational activities for all ages. The telescope model weighs 12,000 lbs. and is being assembled at NASA's Goddard Space Flight Center.
A Penn State research team has developed a new model to determine whether discovered planets can support liquid water and life. The updated model suggests that habitable zones are farther away from stars than previously thought, potentially reclassifying some previously believed habitable planets as non-habitable.
The G0.253+0.016 cloud defies conventional wisdom on star formation, with a dense gas content 25 times higher than the Orion Nebula but only producing small stars. The cloud's high velocities and presence of silicon monoxide suggest it may be two colliding clouds, preventing star formation due to its dynamic nature.
Astronomers have discovered hundreds of previously-unknown sites of massive star formation in the Milky Way, including the most distant such objects yet found. These regions serve as markers of the Galaxy's structure and help refine its understanding.
Astronomers discovered a mysterious planet circling the nearby star Fomalhaut with an unusual elliptical orbit. The team hypothesizes that another undetected planet may have gravitationally ejected Fomalhaut B, sending it on a collision course with a vast dust ring.
Astronomers have identified a new structure in the Milky Way, a long tendril of dust and gas dubbed a 'bone'. This feature is part of a web connecting spiral arms and is similar to fibulae found in human skeletons.
Researchers using NASA's Kepler spacecraft have found that about 17% of stars have an Earth-sized planet in an orbit closer than Mercury. This means there are at least 17 billion possible Earth-like planets in the Milky Way, with 50% of stars having a planet of Earth-size or larger in a close orbit.
Scientists have discovered six likely comets around distant stars, which could be a sign that comets are as common in other stellar systems as planets. The discovery was made using the high-resolution spectrograph of the McDonald Observatory telescope and suggests that comets may play a crucial role in planetary formation.
Farhad Zadeh has discovered a new tool for detecting dusty clouds and stars using radio waves, allowing astronomers to image exotic features in the galaxy's center. The technique reveals dark features that indicate interactions between cold gas clouds and hot radiation fields.
Astronomers from NASA's Goddard Space Flight Center and Penn State have released a vast image gallery featuring ultraviolet and optical images captured by the Swift satellite's Ultraviolet/Optical Telescope. The collection includes early images, stunning views of galaxies, and rare types of stars.
Astronomers using ALMA have observed the first direct evidence of vast gas streams flowing across a gap in a young star's disc, thought to be created by giant planets guzzling gas as they grow. The discovery provides insight into planet formation theories.
The study reveals differences in the speed of evolution among globular clusters, with fast-aging clusters experiencing core collapse within a few hundred million years. In contrast, slow-aging clusters would take several times the current age of the universe to undergo core collapse.
Astronomers have discovered a black hole with 17 billion solar masses in the heart of a small galaxy, NGC 1277. This massive object challenges current models of galaxy evolution and could be the largest known black hole of its kind.
Using data from NASA's Fermi Gamma-ray Space Telescope, scientists measured the most accurate amount of starlight in the universe and determined the extragalactic background light (EBL), also known as cosmic fog. The EBL is a fossil radiation field created by ancient starlight that continues to travel through the universe.
Researchers have discovered a narrow stellar stream in the southern Galactic sky, believed to be the remnant of an ancient star cluster being ingested by the Milky Way. This finding provides new insight into how galaxies form and evolve through hierarchical merging of smaller galaxies and star clusters.
A new analysis of Hubble observations suggests Fomalhaut b is a rare, uniquely massive planet shrouded by dust. The team found the planet remained at constant brightness, contradicting earlier interpretations of it as a transient dust cloud.
Centaurus A, a well-known elliptical galaxy, has been found to harbor a gassy spiral in its center, defying traditional classifications. The discovery was made possible by the use of the Submillimeter Array radio telescope, which revealed two distinct spiral arms within the galaxy's core.
New observations of distant galaxies reveal that internal motions were more disordered in the past, and the Hubble sequence of well-ordered disk galaxies evolved from earlier chaotic forms. This challenges the long-held assumption about disk galaxy formation, finding they evolved gradually over 8 billion years.
Astronomers discover that massive galaxies with 100 billion stars are growing denser due to repeated collisions and mergers. The study used gravitational lenses to analyze the mass distribution in these galaxies, finding that major collisions between large galaxies lead to increased mass density at their centers.
Researchers at Uppsala University will analyze atmospheres of earth-like exoplanets using the CRIRES+ instrument. The project seeks to determine if these planets can support life.
Researchers have discovered a star orbiting the Milky Way's monster black hole in just 11.5 years, offering a new test of Einstein's general theory of relativity. TMT will enable breakthroughs on astrometric precision and potentially find even more tightly bound stars, allowing for tests of gravity's warping of space-time.
Astronomers have found two smaller black holes in Messier 22 globular cluster, contradicting theoretical predictions of a single black hole. The discovery sheds new light on the environment in close clusters of hundreds of thousands of stars.
Two black holes, about 10 to 20 times heavier than the Sun, have been found in the globular cluster M22, a surprise discovery that challenges existing theories. The research, published in Nature, reveals that these smaller black holes are more common in globular clusters than previously thought.
The USDA's Agricultural Research Service has developed several new blueberry varieties, including 'Pink Lemonade', which offers a flavorful surprise with its taste similar to a raspberry. Another notable variety is 'Sweetheart', which produces firm, delectable berries in mid-to-late June and allows for an extended harvest period.
Astronomers found a cloud of hydrogen and helium plunging toward the galactic center, which represents the remains of a planet-forming disk. The discovery suggests that planets can still form near black holes due to stars in a ring orbiting the galaxy's central black hole.
Researchers at Tel Aviv University develop method to observe stars that formed when the universe was 180 million years old. By detecting radio waves from hydrogen atoms, they reveal patterns in the sky indicating early galaxies, providing insight into the universe's origins.
Researchers have observed glycolaldehyde molecules, a simple form of sugar, in the gas surrounding a young star. This discovery suggests that the building blocks of life were already present during planet formation. The finding was made using the Atacama Large Millimeter Array (ALMA) telescope and provides insights into the possibility...
The conference aimed to examine recent developments in active galactic nuclei and their effect on star formation. Researchers now believe that the energy released by supermassive black holes controls this process, which is crucial for galaxy evolution.
New data from WiggleZ galaxy survey finds matter distributed evenly on scales over 350 million light years, contradicting fractal theories. The study's findings support the standard model of cosmology, confirming our understanding of space and time.
Astronomers using Hubble data observe two massive star clusters in the Large Magellanic Cloud that may be in early stages of merger. The discovery sheds light on the origin of large star clusters and helps scientists understand galaxy formation.
Researchers have created extremely hot and dense plasmas hundreds of times hotter than the sun's surface, challenging a widely accepted model. The study demonstrates the capabilities of LCLS X-ray laser, providing detailed information about plasma properties.
Astronomers detected a rotating spiral galaxy in the early universe, over 3 billion years after the Big Bang, using the Hubble Space Telescope. The galaxy, named BX442, is unlike other ancient galaxies with its grand design structure and massive size.
Astronomers discover that small dwarf galaxies in the Milky Way contain only a few stars and share the same birth date, indicating they were shut down by reionization. The relic galaxies provide evidence for a transitional phase in the early universe.
Astronomers have discovered that the Milky Way's stars are moving in unexpected ways, suggesting a recent encounter with a small galaxy or dark matter structure. The team found a north-south asymmetry in the distribution of stars, which may be caused by a vertical wave formed by the object's passage.
Researchers use CRIRES instrument on VLT to study Tau Bootis b's atmosphere, measuring mass and carbon monoxide levels. The new technique allows for the detection of non-transiting exoplanets' atmospheres, enabling scientists to learn more about their atmospheric conditions.
Researchers use Lonestar supercomputer to create nearly 100,000 models of one galaxy, representing the range of possible ways stars can move. They find that dark matter is more spread out at the edge of the galaxy than previously thought, with a fluffier distribution but the same total amount.
The James Webb Space Telescope has received its first mid-infrared instrument, the Mid-Infrared Instrument (MIRI), allowing scientists to study cold and distant objects in greater detail. MIRI's capabilities will help distinguish the oldest galaxies from more evolved objects, enabling researchers to understand the birthplaces of stars.
Xander Tielens receives the Spinoza prize for his groundbreaking work on PAHs in space, which has shed light on the importance of these molecules in star and planet formation. His research has also explored the role of PAHs in the early stages of life.
A University of Delaware-led research team has developed more accurate calculations for the interactions between molecules of hydrogen and carbon monoxide, essential for spectroscopy in astrophysics. These advancements enable researchers to analyze molecular clouds where stars are born with greater precision.
Researchers have discovered an additional third of atomic hydrogen gas in galaxies, which could impact star formation rates. The findings suggest that galaxies are forming stars at 20 times the rate they did billions of years ago.
A team of scientists has discovered an unseen planet orbiting a Sun-like star,KOI-872, by analyzing transit variations caused by the hidden object's gravity. The planet is estimated to be about the mass of Saturn and orbits its host star every 57 days.
Research suggests hundreds of billions of free-floating, Earth-sized life-bearing planets exist between stars in the Milky Way. These 'missing mass' planets could mix cosmic primordial life on a galaxy-wide scale.
Astronomers discovered that hot Jupiter-type planets are likely to have no companions in their systems, supporting the theory of a close encounter with another body causing orbital elongation. This study used Kepler mission data and found compelling evidence for companion planets around warm Jupiters and hot Neptunes.
Astronomers have discovered a supermassive black hole eating a star's core, revealing that these massive objects snack infrequently. The discovery showcases the power of the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) in detecting transient phenomena.
Researchers at Queen's University have developed TeleHuman, a life-size 3D videoconferencing pod that allows people to interact with each other in a Star Trek-like holodeck environment. The technology uses existing hardware and can be used for interactive 3D anatomy exploration through BodiPod.
MIRI, the Mid-Infrared Instrument on the James Webb Space Telescope, offers unparalleled capabilities for studying distant galaxies, star formation, and planetary systems. Its spectrometer and camera enable scientists to analyze an object's physical properties and image its shape and structure.
Astronomers captured a unique image of over 10,000 stars in the Milky Way's centre, revealing large structures like gas and dust clouds. The image, created by combining infra-red light data from two telescopes, offers new insights into the galaxy's structure.
New research reveals that runaway planets exist and can reach speeds of up to 30 million miles per hour, outpacing most objects in the Galaxy. These hypervelocity planets are produced by double-star systems interacting with supermassive black holes.
Researchers found it's unlikely materials can spread between Gliese 581's super-Earth and other planets due to high orbital velocities, making biologic exchange unique to our solar system.
A team of researchers from MIT has detected tellurium, a rare Earth element, for the first time in three ancient stars. The finding supports the theory that tellurium and other heavy elements likely originated from a rare type of supernova during nuclear fusion.
McMaster University's Christine Wilson presents findings on galaxy Arp 220's dazzling rate of star formation, which is 200 times faster than our own Milky Way. The star forming core of Arp 220 is only about 3,000 light years across.
The Alfred P. Sloan Foundation has selected 126 outstanding researchers to receive fellowships for their work in the ocean sciences, expanding the award's reach to this field. The fellowships support early-career scientists and scholars with $50,000 grants.
Researchers have used a 'light echo' technique to demonstrate that Eta Carinae's Great Eruption was significantly cooler than expected, differing from previously thought supernova impostors. The team's findings suggest the eruption may have been triggered by alternative models, warranting further investigation.
Astronomers use gravitational lensing to study a vigorously forming galaxy, revealing regions of intense star formation. The team aims to analyze these star-forming regions through spectroscopy to understand their formation mechanisms.
A team of astronomers using gravitational microlensing detected three exoplanets, including a super-Earth and planets comparable to Neptune and Jupiter. Combining this data with previous findings, the researchers conclude that planets are more common than stars in the Milky Way.
Astronomers using ALMA have found compelling evidence for how star-forming galaxies evolve into 'red and dead' elliptical galaxies, catching a large group of galaxies right in the middle of this change. The study reveals that galaxies are being starved of star-forming gas by their central black holes' jets.
Most of the Milky Way's 100 billion stars have planets similar to Mercury, Venus, Earth and Mars. The research found an average of 1.6 planets in the habitable zone around each star.
Researchers used the VLBA and RXTE satellite to study a 2009 outburst from a black hole system. The collaboration gathered detailed images of
Researchers found that people in lower socio-economic classes are more physiologically attuned to suffering and quicker to express compassion than their more affluent counterparts. This challenges previous studies that characterized lower-class individuals as prone to anxiety and hostility. The study suggests a culture of compassion am...