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Infrared Stream from Space 5nvklj





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    Infrared Stream from Space

    Dragon
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    Infrared Stream from Space Empty Infrared Stream from Space

    Post by Dragon Fri Nov 03, 2023 7:31 pm

    Neutron stars are extremely dense objects formed after the death of a regular star.

    Normally, they emit radio waves or higher-energy radiation such as X-rays, but in September 2018, astronomers found a long stream of infrared light coming from a neutron star 800 light-years away from Earth — something never before observed.

    The researchers proposed that a disk of dust surrounding the neutron star could be generating the signal, but the ultimate explanation has yet to be found.


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    Post by Dragon Fri Nov 03, 2023 7:32 pm

    Infrared Stream from Space 2KT9hCazaE35bFzYbxivw6-1200-80
    Image credit: ESA/N. Tr’Ehnl (Pennsylvania State University)/NASA)

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    Post by Dragon Fri Nov 03, 2023 7:34 pm



    Doomed Neutron Stars Create Blast of Light and Gravitational Waves

    Doomed neutron stars whirl toward their demise in this animation. Gravitational waves (pale arcs) bleed away orbital energy, causing the stars to move closer together and merge.

    As the stars collide, some of the debris blasts away in particle jets moving at nearly the speed of light, producing a brief burst of gamma rays (magenta).

    In addition to the ultra-fast jets powering the gamma-rays, the merger also generates slower moving debris.

    An outflow driven by accretion onto the merger remnant emits rapidly fading ultraviolet light (violet).

    A dense cloud of hot debris stripped from the neutron stars just before the collision produces visible and infrared light (blue-white through red).

    The UV, optical and near-infrared glow is collectively referred to as a kilonova.

    Later, once the remnants of the jet directed toward us had expanded into our line of sight, X-rays (blue) were detected.

    This animation represents phenomena observed up to nine days after GW170817.


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