Sciencedaily Space & Time News Feeds

  • Breakthrough in understanding cosmic forces that shape Earth’s heliosphere
    on December 3, 2021 at 8:14 pm

    Astrophysicists have made a breakthrough discovery in our understanding of the cosmic forces that shape the heliosphere.

  • Stellar cocoon with organic molecules at the edge of our galaxy
    on December 2, 2021 at 7:16 pm

    Astronomers have detected a newborn star and the surrounding cocoon of complex organic molecules at the edge of our Galaxy, which is known as the extreme outer Galaxy. The observations with the Atacama Large Millimeter/submillimeter Array reveal the hidden chemical complexity of our Universe.

  • TESS discovers a planet the size of Mars but with the makeup of Mercury
    on December 2, 2021 at 7:14 pm

    The TESS mission has discovered an ultra-short-period planet (USP) that is also super light. The planet is named GJ 367 b, and it orbits its star in just eight hours. The planet is about the size of Mars, and half as massive as the Earth, making it one of the lightest planets discovered to date.

  • Beads of glass in meteorites help scientists piece together how solar system formed
    on December 2, 2021 at 1:39 am

    Scientists have published an analysis laying out how the tiny beads of glass inside many meteorites came to be — and what they can tell us about what happened in the early solar system.

  • Lunar radar data uncovers new clues about moon’s ancient past
    on December 1, 2021 at 7:53 pm

    The dusty surface of the moon — immortalized in images of Apollo astronauts’ lunar footprints — formed as the result of asteroid impacts and the harsh environment of space breaking down rock over millions of years. An ancient layer of this material, covered by periodic lava flows and now buried under the lunar surface, could provide new insight into the Moon’s deep past, according to a team of scientists.

  • Astronomers discover strangely massive black hole in Milky Way satellite galaxy
    on December 1, 2021 at 4:20 pm

    Astronomers have discovered an unusually massive black hole at the heart of one of the Milky Way’s dwarf satellite galaxies, called Leo I. Almost as massive as the black hole in our own galaxy, the finding could redefine our understanding of how all galaxies — the building blocks of the universe — evolve.

  • Arecibo data still has astronomers in a spin
    on December 1, 2021 at 4:20 pm

    Data collected by the Arecibo Radio Telescope before it collapsed late last year will help astronomers better understand how our local neighbourhood of galaxies formed. Arecibo was the world’s largest single-dish radio telescope until it was surpassed in 2016 by China’s Five-hundred-meter Aperture Spherical Telescope (FAST). At the end of 2020, Arecibo’s 900-ton receiver platform suddenly and spectacularly fell onto the dish below, destroying the telescope.

  • Brief presence of water in Arabia Terra on Mars
    on November 30, 2021 at 8:04 pm

    Scientists recently discovered that water was once present in a region of Mars called Arabia Terra.

  • Closest pair of supermassive black holes yet
    on November 30, 2021 at 1:43 pm

    Astronomers have revealed the closest pair of supermassive black holes to Earth ever observed. The two objects also have a much smaller separation than any other previously spotted pair of supermassive black holes and will eventually merge into one giant black hole.

  • Largest comet ever observed was active at near-record distance
    on November 29, 2021 at 10:28 pm

    Astronomers show that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming an envelope of dust and vapor known as a coma. Only one active comet has been observed farther from the sun, and it was much smaller than comet BB.

  • Strong winds power electric fields in the upper atmosphere
    on November 29, 2021 at 10:27 pm

    Using observations from NASA’s ICON mission, scientists presented the first direct measurements of Earth’s long-theorized dynamo on the edge of space: a wind-driven electrical generator that spans the globe 60-plus miles above our heads. The dynamo churns in the ionosphere, the electrically charged boundary between Earth and space. It’s powered by tidal winds in the upper atmosphere that are faster than most hurricanes and rise from the lower atmosphere, creating an electrical environment that can affect satellites and technology on Earth.

  • Sun is likely an unaccounted source of the Earth’s water
    on November 29, 2021 at 5:27 pm

    Curtin University researchers have helped unravel the enduring mystery of the origins of the Earth’s water, finding the Sun to be a surprising likely source.

  • In the quantum realm, not even time flows as you might expect
    on November 26, 2021 at 6:08 pm

    A team of physicists has shown how quantum systems can simultaneously evolve along two opposite time arrows – both forward and backward in time. The study necessitates a rethink of how the flow of time is understood and represented in contexts where quantum laws play a crucial role.

  • Orbital harmony limits late arrival of water on TRAPPIST-1 planets
    on November 25, 2021 at 8:48 pm

    Seven Earth-sized planets orbit the star TRAPPIST-1 in near-perfect harmony, and researchers have now used that harmony to determine how much physical abuse the planets could have withstood in their infancy.

  • Mars seismic deployment lays groundwork for future planetary missions
    on November 24, 2021 at 8:39 pm

    About 1000 days after the Mars InSight mission deployed SEIS, the first seismometer on the red planet, researchers are analyzing new seismic data and reporting on instrument responses, using these data to plan for future planetary seismographs.

  • Astronomers discover ancient brown dwarf with lithium deposits intact
    on November 24, 2021 at 8:38 pm

    Researchers have discovered lithium in the oldest and coldest brown dwarf where the presence of this valuable element has been confirmed so far. This substellar object, called Reid 1B, preserves intact the earliest known lithium deposit in our cosmic neighborhood, dating back to a time before the formation of the binary system to which it belongs.

  • Hubble witnesses shock wave of colliding gases in Running Man Nebula
    on November 24, 2021 at 8:38 pm

    Mounded, luminous clouds of gas and dust glow in this Hubble image of a Herbig-Haro object known as HH 45. Herbig-Haro objects are a rarely seen type of nebula that occurs when hot gas ejected by a newborn star collides with the gas and dust around it at hundreds of miles per second, creating bright shock waves. In this image, blue indicates ionized oxygen (O II) and purple shows ionized magnesium (Mg II). Researchers were particularly interested in these elements because they can be used to identify shocks and ionization fronts. This object is located in the nebula NGC 1977, which itself is part of a complex of three nebulae called The Running Man. NGC 1977 — like its companions NGC 1975 and NGC 1973 — is a reflection nebula, which means that it doesn’t emit light on its own, but reflects light from nearby stars, like a streetlight illuminating fog. Hubble observed this region to look for stellar jets and planet-forming disks around young stars, and examine how their environment affects the evolution of such disks.

  • One year on this giant, blistering hot planet is just 16 hours long
    on November 23, 2021 at 9:27 pm

    Astronomers have discovered an ultrahot Jupiter with shortest orbit of any known gas giant planet.

  • Analysis of Mars’s wind-induced vibrations sheds light on the planet’s subsurface properties
    on November 23, 2021 at 6:07 pm

    NASA’s Mars mission InSight probes the geology of the Elysium Planitia, finding alternate layers of basalt and sediments. An international team of scientists compares on-the-ground data with data from models, which helps to understand, e.g., the surface’s load-bearing capacity and trafficability.

  • Scientist reveals cause of lost magnetism at meteorite site
    on November 22, 2021 at 6:55 pm

    A scientist has discovered a method for detecting and better defining meteorite impact sites that have long lost their tell-tale craters. The discovery could further the study of not only Earth’s geology but also that of other bodies in our solar system.

  • One in five galaxies in the early universe could still be hidden behind cosmic dust
    on November 22, 2021 at 6:55 pm

    Astronomers have discovered two previously invisible galaxies billions of light-years away. Their discovery suggests that up to one in five such distant galaxies remain hidden from our telescopes, camouflaged by cosmic dust. The new knowledge changes perceptions of our universe’s evolution since the Big Bang.

  • High-speed propeller star is fastest spinning white dwarf
    on November 22, 2021 at 6:54 pm

    A white dwarf star that completes a full rotation once every 25 seconds is the fastest spinning confirmed white dwarf, according to a team of astronomers.

  • Scientists create insights into perhaps the most extreme state of matter produced on Earth
    on November 19, 2021 at 1:51 pm

    Exotic laser-produced high-energy-density (HED) plasmas akin to those found in stars and nuclear explosions could provide insight into events throughout the universe. Physicists have discovered a new way to measure and understand these plasmas, among the most extreme states of matter ever produced on Earth. Improved understanding could provide benefits ranging from fine-tuning the high-density plasmas in inertial confinement fusion experiments to better understanding of processes throughout the universe.

  • Alien organisms – hitchhikers of the galaxy?
    on November 17, 2021 at 9:14 pm

    Scientists warn, without good biosecurity measures ‘alien organisms’ on Earth may become a reality stranger than fiction. Scientists are calling for greater recognition of the biosecurity risks ahead of the space industry.

  • Life on Mars search could be misled by false fossils, study says
    on November 17, 2021 at 1:15 am

    Mars explorers searching for signs of ancient life could be fooled by fossil-like specimens created by chemical processes, research suggests.

  • Astronomers team up to create new method to understand galaxy evolution
    on November 16, 2021 at 3:31 pm

    A husband-and-wife team of astronomers joined forces for the first time in their scientific careers during the pandemic to develop a new method to look back in time and change the way we understand the history of galaxies.

  • Carbon dioxide cold traps on the moon are confirmed for the first time
    on November 15, 2021 at 8:10 pm

    After decades of uncertainty, researchers have confirmed the existence of lunar carbon dioxide cold traps that could potentially contain solid carbon dioxide. The discovery will likely have a major influence in shaping future lunar missions and could impact the feasibility of a sustained robot or human presence on the moon.

  • Where does gold come from? New insights into element synthesis in the universe
    on November 15, 2021 at 5:34 pm

    How are chemical elements produced in our Universe? Where do heavy elements like gold and uranium come from? Using computer simulations, a research team shows that the synthesis of heavy elements is typical for certain black holes with orbiting matter accumulations, so-called accretion disks. The predicted abundance of the formed elements provides insight into which heavy elements need to be studied in future laboratories to unravel the origin of heavy elements.

  • Hubble tension: Showing the cracks in Gaussian Processes
    on November 15, 2021 at 5:34 pm

    A new analysis of the Hubble constant to show that the Gaussian Processes data reconstruction technique may not actually be independent of all cosmological models — and that it may be time to question the validity of model independence itself.

  • Simulations provide clue to missing planets mystery
    on November 12, 2021 at 3:05 pm

    New supercomputer simulations show that after creating a ring, a planet can move away and leave the ring behind. Not only does this bolster the planet theory for ring formation, the simulations show that a migrating planet can produce a variety of patterns matching those actually observed in disks.

  • Near-earth asteroid might be a lost fragment of the moon
    on November 11, 2021 at 6:03 pm

    Near-Earth asteroid Kamo`oalewa could be a fragment of our moon.

  • Black hole found hiding in star cluster outside our galaxy
    on November 11, 2021 at 1:03 pm

    Astronomers have discovered a small black hole outside the Milky Way by looking at how it influences the motion of a star in its close vicinity. This is the first time this detection method has been used to reveal the presence of a black hole outside of our galaxy. The method could be key to unveiling hidden black holes in the Milky Way and nearby galaxies, and to help shed light on how these mysterious objects form and evolve.

  • New method to detect Tatooine-like planets validated
    on November 10, 2021 at 6:15 pm

    A new method has allowed scientists to quickly detect a transiting planet with two suns.

  • Tread lightly: ‘Eggshell planets’ possible around other stars
    on November 10, 2021 at 3:46 pm

    Strange ‘eggshell planets’ are among the rich variety of exoplanets possible, according to a study. These rocky worlds have an ultra-thin outer brittle layer and little to no topography. Such worlds are unlikely to have plate tectonics, raising questions as to their habitability. Planetary geologists have said at least three such worlds found during previous astronomical surveys may already be known.

  • Jet from giant galaxy M87: Computer modelling explains black hole observations
    on November 4, 2021 at 6:01 pm

    An enormous jet of particles emitted by the giant galaxy M87 can be observed astronomically in various wavelengths. Scientists have developed a theoretical model of the morphology of this jet using complex supercomputer calculations. The images from these calculations provide an unprecedented match with astronomical observations and confirm Einstein’s theory of general relativity.

  • Astronomers make most distant detection yet of fluorine in star-forming galaxy
    on November 4, 2021 at 4:13 pm

    A new discovery is shedding light on how fluorine — an element found in our bones and teeth as fluoride — is forged in the Universe. Astronomers have detected this element in a galaxy that is so far away its light has taken over 12 billion years to reach us. This is the first time fluorine has been spotted in such a distant star-forming galaxy.

  • Likely home of Martian meteorites pinpointed
    on November 4, 2021 at 3:53 pm

    Researchers have pinpointed the likely origin of a group of meteorites ejected from Mars, using a machine learning algorithm that analyses high-resolution planetary images.

  • Astronomy: Say hello to Algol’s new companion star candidates
    on November 4, 2021 at 3:52 pm

    Astronomers have analyzed observations of Algol. They argue that Algol has many companion stars which have not been detected from earlier observations.

  • New study proposes expansion of the universe directly impacts black hole growth
    on November 4, 2021 at 12:04 am

    The study is the first to show that both large and small black hole masses can result from a single pathway, wherein the black holes gain mass from the expansion of the universe itself.

  • Laboratory will illuminate formation, composition, activity of comets
    on November 3, 2021 at 7:08 pm

    Researchers have developed a laboratory to simulate comets in space-like conditions. The goal of the Comet Physics Laboratory is to understand the internal structure of comets, as well as how their constituent materials form and react. Many of the lab’s future experiments will involve creating sample comet materials with differing compositions. By testing those materials in the space-like chamber, the researchers can compare each sample to what has been observed on actual comets.

  • Gravitational ‘kick’ may explain the strange shape at the center of Andromeda
    on November 3, 2021 at 3:54 pm

    A new study dives into the explosive physics of what happens when two supermassive black holes collide.

  • Scientists detect signs of water in a galaxy far, far away
    on November 3, 2021 at 12:44 pm

    Water has been detected in the most massive galaxy in the early Universe. Scientists studying SPT0311-58 found H20, along with carbon monoxide in the galaxy, which is located nearly 12.88 billion light years from Earth. Detection of these two molecules in abundance suggests that the molecular Universe was going strong shortly after the elements were forged in early stars. The new research comprises the most detailed study of molecular gas content of a galaxy in the early Universe to date and the most distant detection of H20 in a regular star-forming galaxy.

  • Vast patches of glassy rock in Chilean desert likely created by ancient exploding comet
    on November 2, 2021 at 10:05 pm

    Heat from a comet exploding just above the ground fused the sandy soil into patches of glass stretching 75 kilometers, a new study found.

  • Rocky exoplanets are even stranger than we thought
    on November 2, 2021 at 10:05 pm

    Astronomers and geologists have made the first estimates of rock types that exist on planets orbiting nearby stars. After studying the chemical composition of ‘polluted’ white dwarfs, they have concluded that most rocky planets orbiting nearby stars are more diverse and exotic than previously thought, with types of rocks not found anywhere in our Solar System.

  • Engineers develop better method for cleaning up orbiting space junk
    on October 29, 2021 at 2:31 pm

    Mechanical engineers have discovered a method of manipulating orbiting space debris with the use of spinning magnets, allowing agencies more dexterous movement in clearing out space junk or repairing satellites.

  • Low-gravity simulator design offers new avenues for space research and mission training
    on October 29, 2021 at 11:49 am

    Researchers have developed a novel design for a low-gravity simulator that promises to break new ground for future space research and habitation.

  • Juno peers deep into Jupiter’s colorful belts and zones
    on October 28, 2021 at 7:38 pm

    A new study of data captured in orbit around Jupiter has revealed new insights into what’s happening deep beneath the gas giant’s distinctive and colorful bands.

  • Astronomers discover massive galaxy ‘shipyard’ in the distant universe
    on October 27, 2021 at 9:26 pm

    Astronomers have discovered a structure thought to be a ‘protocluster’ of galaxies on its way to developing into a galaxy supercluster. Observations show the protocluster, which is located 11 billion light-years from Earth, as it appeared when the universe was 3 billion years old, when stars were produced at higher rates in certain regions of the cosmos.

  • The upside-down orbits of a multi-planetary system
    on October 27, 2021 at 4:21 pm

    When planets form, they usually continue their orbital evolution in the equatorial plane of their star. However, an international team, led by astronomers from the University of Geneva (UNIGE), Switzerland, has discovered that the exoplanets of a star in the constellation Pisces orbit in planes perpendicular to each other, with the innermost planet the only one still orbiting in the equatorial plane. Why so? This radically different configuration from our solar system could be due to the influence of a distant companion of the star that is still unknown. This study, to be read in the journal Astronomy & Astrophysics, was made possible by the extreme precision achieved by ESPRESSO and CHEOPS, two instruments whose development was led by Switzerland.

  • A lab in the sky: Physics experiment in Earth’s atmosphere could help improve GPS performance
    on October 27, 2021 at 4:20 pm

    The Earth’s atmosphere has been used as a ‘laboratory’ to carry out a physics experiment which could help to improve the performance of GPS.

  • Making Martian rocket biofuel on Mars
    on October 27, 2021 at 4:20 pm

    Researchers have developed a concept that would make Martian rocket fuel, on Mars, that could be used to launch future astronauts back to Earth.

  • Astronomers may have discovered a planet outside of our galaxy
    on October 27, 2021 at 1:49 pm

    Signs of a planet transiting a star outside of the Milky Way galaxy may have been detected. The finding opens up a new window to search for exoplanets at greater distances than ever before.

  • Carbon nanotubes could help electronics withstand outer space’s harsh conditions
    on October 27, 2021 at 12:54 pm

    Space missions, such as NASA’s Orion that will take astronauts to Mars, are pushing the limits of human exploration. But during their transit, spacecrafts encounter a continuous stream of damaging cosmic radiation, which can harm or even destroy onboard electronics. To extend future missions, researchers show that transistors and circuits with carbon nanotubes can be configured to maintain their electrical properties and memory after being bombarded by high amounts of radiation.

  • BICEP3 tightens the bounds on cosmic inflation
    on October 25, 2021 at 9:21 pm

    A new analysis of the South Pole-based telescope’s cosmic microwave background observations has all but ruled out several popular models of inflation.

  • Neutron star collisions are ‘goldmine’ of heavy elements, study finds
    on October 25, 2021 at 3:37 pm

    Most elements lighter than iron are forged in the cores of stars, but scientists have puzzled over what could give rise to gold, platinum, and the rest of the universe’s heavy elements. study finds that of two long-suspected sources of heavy metals, one of them — a merger between two neutron stars — is more of a goldmine than the other.

  • Infant planet discovered
    on October 22, 2021 at 9:15 pm

    One of the youngest planets ever found around a distant infant star has been discovered by an international team of scientists.

  • Need for larger space telescope inspires lightweight flexible holographic lens
    on October 22, 2021 at 4:38 pm

    Inspired by a concept for discovering exoplanets with a giant space telescope, a team of researchers is developing holographic lenses that render visible and infrared starlight into either a focused image or a spectrum.

  • Astronomers provide ‘field guide’ to exoplanets known as hot Jupiters
    on October 21, 2021 at 4:11 pm

    By combining Hubble Space Telescope observations with theoretical models, a team of astronomers has gained insights into the chemical and physical makeup of a variety of exoplanets known as hot Jupiters. The findings provide a new and improved ‘field guide’ for this group of planets and inform ideas about planet formation in general.

  • Back pain common among astronauts offers treatment insights for the earth-bound
    on October 21, 2021 at 12:46 pm

    As more people travel into space, experts expect more physicians will see patients with space travel-related pain.

  • New galaxy images reveal a fitful start to the Universe
    on October 21, 2021 at 12:37 am

    New images have revealed detailed clues about how the first stars and structures were formed in the Universe and suggest the formation of the Galaxy got off to a fitful start.