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#star — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #star, aggregated by home.social.

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  1. A newly found world blurs the boundary between #planet and #moon
    The find reopens an old fight over what makes a planet a planet
    Object is as massive as Jupiter and orbits a #browndwarf — a body that fuses deuterium in its core but is too small to burn hydrogen and shine as a true #star. The brown dwarf loops around a small star. That hierarchy of orbits makes system, called CD-35 2722, the first with known “exosatellite”, #astronomer Kevin reports
    sciencenews.org/article/exopla
    archive.ph/e3MII

  2. Photo Of The Day 21st August 2026.

    On This Day 21st August 1995. On This Day 21st August 2024. On This Day 21st August 2025.

    mancavgeek.co.uk/2026/08/21/ph

  3. 💁🏻‍♀️ TIL: 🌌⚡ Astronomers in #Chile confirmed the fastest #star ever measured in the #MilkyWay, S301, which swings around Sagittarius A*, the #blackhole at our #galaxy’s center.

    At closest approach it travels over 24,000 km per second, roughly 8% of #lightspeed. The result tests how #gravity warps #space and #time and could help measure the black hole’s spin.

    👉 npr.org/2026/08/19/nx-s1-59364

    #astronomy #space #science #einstein #telescope #orbit #astrophysics #speed #sagittariusa #relativity #nasa #research

  4. #JWST Discovers New Type Of #Star Powered By #BlackHoles Instead Of Fusion
    A major breakthrough for #astronomy. Not a quasar, not a pulsar, not a neutron star, and certainly not a conventional star like our Sun — it's a so-called "black hole star," a dense gas cloud surrounding a #blackhole. In other words, this is a star being powered not by the nuclear fusion of the gases at its core, but by colossal energy scientists have long known radiate out from cosmic predators. jalopnik.com/2238029/black-hol

  5. #Eclipse #SolarEclipse #News #UK #Earth #Sun #Star #Stars #Solar #Moon #SkyNews #Astronomy I hope everyone enjoyed the eclipse (if you managed to see it), but am I the only one who’s fed up seeing pics like this on the internet and news websites? I’m not an astronomer, but presumably if the sun was this size in relation to the onlookers they’d all be fried…

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    #TextArt #AcsiiArt #Art #Star #Sky