Artist's impression of two faces of WOH G64: a red supergiant from its discovery in the 1980s to 2013, and a binary with yellow hypergiant and a hot star from 2014. AI-generated image. Credit: Patryk Iwanek/OGLE

Giant star has changed dramatically in just a few years

One of the largest known stars in the Universe has changed its appearance completely within just a few years, according to an international team of astronomers that includes Polish researchers from the Astronomical Observatory of the University of Warsaw working within the OGLE project.

  • Low-resolution image: Different types of radio galaxies powered by the energy of supermassive black holes. Copyright: Maya Horton and the LOFAR surveys collaboration
    Space

    Scientists create largest and most detailed radio map of the Universe

    An international team of scientists has produced the largest and most detailed radio map of the Universe to date, revealing 13.7 million active galaxies and pinpointing the locations of supermassive black holes.

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    Technology

    Polish firm Astronika to build instrument booms for ESA’s Vigil space weather probe

    Polish company Astronika is to develop key components for the European Space Agency’s Vigil probe, a mission designed to improve the safety of satellites, spacecraft and astronauts in orbit.

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    Space

    Polish brain-computer interface confirmed 'to work in space’

    Astronauts aboard the International Space Station have successfully controlled a computer interface using only brain signals during the PhotonGrav experiment, part of Poland’s IGNIS mission. Despite physiological changes caused by microgravity, the system achieved an average control accuracy exceeding 80 percent.

  • 11.08.2016 PAP/Łukasz Ogrodowczyk
    Space

    Astronomers close to serial detection of solitary black holes

    Most black holes in the Milky Way are believed to be solitary and invisible, detectable only through their gravitational influence.

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    Space

    Scientists set record precision in dark matter measurements

    An international team of scientists have carried out laboratory measurements of dark matter with 40 times greater precision than current astronomical observations, despite not detecting the elusive substance directly, according to a study published in Nature.

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    Space

    Neurofeedback brain training protects astronauts from stress during space missions

    Brain training with neurofeedback proved to effectively protect astronauts from stress, specifically the stressor of social isolation, during missions to the International Space Station, according to results from the Polish IGNIS mission.

  • Photo from press release
    Space

    Polish-made devices complete noise-monitoring experiment aboard ISS

    The Wireless Acoustics experiment, which measured noise levels aboard the International Space Station (ISS), has concluded, with Polish-made devices operating without fault.

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    Space

    Stars shine in ultraviolet earlier than thought, space telescope finds

    Ultraviolet radiation is present around some of the youngest known stars, even before thermonuclear fusion begins in their cores, according to new observations from the James Webb Space Telescope.

  • Image taken with the MUSE instrument on the Very Large Telescope (VLT) shows the bow-shaped shock wave around the white dwarf RXJ0528+2838. Credit: ESO/K. Iłkiewicz and S. Scaringi et al.
    Space

    Astronomers spot mysterious bow shock around dead ‘white dwarf’ star

    An international team of astronomers has discovered an unexpected bow-shaped shock wave around a nearby binary system containing a dead star known as a white dwarf, a phenomenon that current theories cannot explain. The finding was announced by the European Southern Observatory (ESO).

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  • Results of geophysical surveys at the site of the former town. Credit: P. Wroniecki

    Archaeologists discover traces of forgotten medieval town

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  • Body fat influences voice pitch and loudness, Polish study shows

  • RNA’s structure may explain how life began, Polish scientists find

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Body fat influences voice pitch and loudness, Polish study shows

Body fat affects the human voice, making women’s voices louder and giving men’s voices a “brighter” tone, according to research by Polish anthropologist Łukasz Pawelec, PhD, of the Wrocław University of Environmental and Life Sciences.