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  2. Posts tagged "stars"

stars

  • This illustration shows how two sample star orbits are scattered from nearly circular orbits by the gravity of massive clumps within galaxies. Researchers have found that millions of orbital changes, like those shown here, smooth the overall light profile of galaxy disks. The blue star is scattered several times. The orange star is captured by the gravity of a clump and moves around it. A typical, relatively smooth spiral galaxy (UGC 12224) is shown in the background.
    Astronomers model, determine how disk galaxies evolve so smoothly

    Researchers develop better computer simulations to explain stellar scattering.

    September 28, 2020

  • Snapshot of a spacecraft's 13-sector mosaic of the southern sky, recorded over the course of a year. One object shown in the mosaic is a long, bright edge of our Milky Way galaxy.
    Kawaler helps lead international team analyzing data from NASA mission

    LAS astronomers and an international team detail an interesting case of planetary evolution and demonstrate how star studies can be an important part of the search for planets beyond our solar system.

    November 20, 2019

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