Astronomy

Astronomy News -- ScienceDaily Astronomy news. New! Earth-like extrasolar planet found; double helix nebula; supermassive black holes, astronomy articles, astronomy pictures. Updated daily.

  • Astronomers use Earth's natural history as guide to spot vegetation on new worlds
    on September 24, 2018 at 9:44 pm

    By looking at Earth's full natural history and evolution, astronomers may have found a template for vegetation fingerprints -- borrowing from epochs of changing flora -- to determine the age of habitable exoplanets. […]

  • Martian moon may have come from impact on home planet
    on September 24, 2018 at 6:40 pm

    Phobos, the larger of Mars' two tiny satellites, is the darkest moon in the solar system. This dark aspect inspired the hypothesis that the close-orbiting moon may be a captured asteroid, but its orbital dynamics seemed to disagree. A new study suggests Phobos' composition may be more like the volcanic crust of the Red Planet than it appears, consistent with an origin for the moon in an ancient, violent impact on Mars. […]

  • Astrophysicists measure precise rotation pattern of sun-like stars for the first time
    on September 20, 2018 at 8:09 pm

    Scientists have measured the differential rotation on Sun-like stars for the first time, and their findings challenge current science on how stars rotate. […]

  • Matter falling into a black hole at 30 percent of the speed of light
    on September 20, 2018 at 3:55 pm

    Astronomers report the first detection of matter falling into a black hole at 30% of the speed of light, located in the center of the billion-light year distant galaxy PG211+143. The team used data from the European Space Agency's X-ray observatory XMM-Newton to observe the black hole. […]

  • Gaia hints at our Galaxy’s turbulent life
    on September 19, 2018 at 5:30 pm

    Our Milky Way galaxy is still enduring the effects of a near collision that set millions of stars moving like ripples on a pond, the Gaia star mapping mission has shown. […]

  • Looking back in time to watch for a different kind of black hole
    on September 19, 2018 at 2:10 pm

    A simulation has suggested what astronomers should look for if they search the skies for a direct collapse black hole in its early stages. […]

  • Magellanic Clouds duo may have been a trio
    on September 18, 2018 at 1:08 pm

    Two of the closest galaxies to the Milky Way -- the Large and Small Magellanic Clouds -- may have had a third companion, astronomers believe. New research describes how another 'luminous' galaxy was likely engulfed by the Large Magellanic Cloud some three to five billion years ago. […]

  • NASA's TESS shares first science image in hunt to find new worlds
    on September 17, 2018 at 7:36 pm

    NASA's Transiting Exoplanet Survey Satellite, which began science operations in July, has released its first full frame image using all four of its cameras. […]

  • Never-before-seen features found around a neutron star
    on September 17, 2018 at 3:43 pm

    An unusual infrared light emission from a nearby neutron star detected by NASA's Hubble Space Telescope could indicate new features never before seen. […]

  • Ice volcano activity on dwarf planet Ceres
    on September 17, 2018 at 3:15 pm

    Ice volcanoes on the dwarf planet Ceres generate enough material to fill one movie theater each year, new calculations show. […]

  • When is a star not a star?
    on September 17, 2018 at 2:13 pm

    The line that separates stars from brown dwarfs may soon be clearer. Astronomers demonstrate that brown dwarfs can be more massive than astronomers previously thought. […]

  • BUFFALO charges towards the earliest galaxies
    on September 13, 2018 at 3:39 pm

    The NASA/ESA Hubble Space Telescope has started a new mission to shed light on the evolution of the earliest galaxies in the Universe. The BUFFALO survey will observe six massive galaxy clusters and their surroundings. The first observations show the galaxy cluster Abell 370 and a host of magnified, gravitationally lensed galaxies around it. […]

  • VLBA measures asteroid's characteristics
    on September 13, 2018 at 3:38 pm

    Astronomers took advantage of a celestial alignment to make a novel and creative radio observation yielding information about the size, shape, and orbit of an asteroid. […]

  • Stunning details of spiral galaxy NGC 3981
    on September 12, 2018 at 12:13 pm

    FORS2, an instrument mounted on ESO's Very Large Telescope, has observed the spiral galaxy NGC 3981 in all its glory. The image was captured as part of the ESO Cosmic Gems Programme, which makes use of the rare occasions when observing conditions are not suitable for gathering scientific data. […]

  • Astronomers witness birth of new star from stellar explosion
    on September 12, 2018 at 12:12 pm

    Astronomers have observed a new phenomena in the aftermath of a stellar explosion. […]

  • Evidence of early planetary shake-up
    on September 10, 2018 at 3:12 pm

    Scientists have studied an unusual pair of asteroids and discovered that their existence points to an early planetary rearrangement in our solar system. […]

  • Legacy of NASA's Dawn, near the end of its mission
    on September 7, 2018 at 9:59 pm

    NASA's Dawn mission is drawing to a close after 11 years of breaking new ground in planetary science, gathering breathtaking imagery, and performing unprecedented feats of spacecraft engineering. […]

  • Pluto should be reclassified as a planet, experts say
    on September 7, 2018 at 3:04 pm

    The reason Pluto lost its planet status is not valid, according to new research. […]

  • Galactic 'wind' stifling star formation is most distant yet seen
    on September 6, 2018 at 6:15 pm

    For the first time, a powerful 'wind' of molecules has been detected in a galaxy located 12 billion light-years away. Probing a time when the universe was less than 10 percent of its current age, astronomers sheds light on how the earliest galaxies regulated the birth of stars to keep from blowing themselves apart. […]

  • New exoplanet found very close to its star
    on September 5, 2018 at 8:19 pm

    Using data from NASA's Kepler Space Telescope, an international team has discovered a new exoplanet twice the size of Earth. It orbits its star every six days and is thus very close to it, about 10 times closer than Mercury is to the Sun. […]

  • Saturn's famous hexagon may tower above the clouds
    on September 5, 2018 at 7:54 pm

    The long-lived international Cassini mission has revealed a surprising feature emerging at Saturn's northern pole as it nears summertime: a warming, high-altitude vortex with a hexagonal shape, akin to the famous hexagon seen deeper down in Saturn's clouds. […]

  • Radio observations confirm superfast jet of material from neutron star merger
    on September 5, 2018 at 5:18 pm

    The supersharp radio 'vision' of a continent-wide collection of radio telescopes has answered an outstanding question about the aftermath of a merger of two neutron stars. […]

  • Telescope maps cosmic rays in Large and Small Magellanic Clouds
    on September 4, 2018 at 3:47 pm

    A radio telescope in outback Western Australia has been used to observe radiation from cosmic rays in two neighbouring galaxies, showing areas of star formation and echoes of past supernovae. […]

  • Veiled supernovae provide clue to stellar evolution
    on September 4, 2018 at 2:32 pm

    At the end of its life, a red supergiant star explodes in a hydrogen-rich supernova. By comparing observation results to simulation models, an international research team found that in many cases this explosion takes place inside a thick cloud of circumstellar matter shrouding the star. This result completely changes our understanding of the last stage of stellar evolution. […]

  • Falling stars hold clue for understanding dying stars
    on September 3, 2018 at 5:59 pm

    An international team of researchers has proposed a new method to investigate the inner workings of supernovae explosions. This new method uses meteorites and is unique in that it can determine the contribution from electron anti-neutrinos, enigmatic particles which can't be tracked through other means. […]

  • Little star sheds light on young planets
    on September 3, 2018 at 2:17 pm

    Astronomers discovered a dense disk of material around a young star, which may be a precursor to a planetary system. Their research could vastly improve models of how solar systems form, which would tell us more about our own place in the cosmos. […]

  • Solar eruptions may not have slinky-like shapes after all
    on August 30, 2018 at 3:30 pm

    As the saying goes, everything old is new again. While the common phrase often refers to fashion, design, or technology, scientists have found there is some truth to this mantra even when it comes to research. Revisiting some older data, the researchers discovered new information about the shape of coronal mass ejections (CMEs) -- large-scale eruptions of plasma and magnetic field from the sun -- that could one day help protect satellites in space as well as the electrical grid on Earth. […]

  • How a NASA scientist looks in the depths of the great red spot to find water on Jupiter
    on August 29, 2018 at 7:38 pm

    One critical question has bedeviled astronomers for generations: Is there water deep in Jupiter's atmosphere, and if so, how much? […]

  • Unstoppable monster in the early universe
    on August 29, 2018 at 5:32 pm

    Astronomers obtained the most detailed anatomy chart of a monster galaxy located 12.4 billion light-years away. Using the Atacama Large Millimeter/submillimeter Array (ALMA), the team revealed that the molecular clouds in the galaxy are highly unstable, which leads to runaway star formation. […]

  • Stars vs. dust in the Carina Nebula
    on August 29, 2018 at 12:13 pm

    The Carina Nebula, one of the largest and brightest nebulae in the night sky, has been beautifully imaged by ESO's VISTA telescope at the Paranal Observatory in Chile. By observing in infrared light, VISTA has peered through the hot gas and dark dust enshrouding the nebula to show us myriad stars, both newborn and in their death throes. […]