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    Astronomy

    High-speed supernova reveals earliest moments of a dying star

    An international team of scientists, including astronomers from the Universities of Leicester, Bath and Warwick, have found evidence for the existence of a ‘hot cocoon’ of material enveloping a relativistic jet escaping a dying star. This research is been published online today and in print in Nature tomorrow. …read more

    Source:: Physorg space news

          

    Habitable planets around red dwarf stars might not get enough photons to support plant life

    In recent years, the number of extra-solar planets discovered around nearby M-type (red dwarf stars) has grown considerably. In many cases, these confirmed planets have been “Earth-like,” meaning that they are terrestrial (aka. rocky) and comparable in size to Earth. These finds have been especially exciting since red dwarf stars are the most common in the universe – accounting for 85 percent of stars in the Milky Way alone. …read more

    Source:: Physorg space news

          

    Comprehensive model captures entire life cycle of solar flares

    A team of scientists has, for the first time, used a single, cohesive computer model to simulate the entire life cycle of a solar flare: from the buildup of energy thousands of kilometers below the solar surface, to the emergence of tangled magnetic field lines, to the explosive release of energy in a brilliant flash. …read more

    Source:: Physorg space news

          

    Scientist anticipated “snowman” asteroid appearance

    On Jan. 2, the New Horizons spacecraft made the most distant flyby ever attempted, successfully returning images of the Kuiper Belt object Ultima Thule. While the world is agog at the so-called “snowman” shape of this icy asteroid, the concept is nothing new to PSI scientist and artist, Bill Hartmann. The figure shows paintings that Hartmann made from 1978 to 1996, to illustrate the possible outcome of very low-velocity collisions of distant asteroids. These are compared with the first released color image of Ultima Thule. The story goes back 50 years. …read more

    Source:: Physorg space news

          

    Double star system flips planet-forming disk into pole position

    New research led by an astronomer at the University of Warwick has found the first confirmed example of a double star system that has flipped its surrounding disc to a position that leaps over the orbital plane of those stars. The international team of astronomers used the Atacama Large Millimeter/sub-millimeter Array (ALMA) to obtain high-resolution images of the Asteroid belt-sized disc. …read more

    Source:: Physorg space news

          

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