Month: December 2022

  • Cosmological enigma of Milky Way’s satellite galaxies solved

    Cosmological enigma of Milky Way’s satellite galaxies solved

    Astronomers say they have solved an outstanding problem that challenged our understanding of how the universe evolved—the spatial distribution of faint satellite galaxies orbiting the Milky Way. These satellite galaxies exhibit a bizarre alignment—they seem to lie on an enormous thin rotating plane—called the “plane of satellites.” This seemingly unlikely arrangement had puzzled astronomers for…

  • After Artemis 1, it will take NASA 2 years to send astronauts to the moon. Why so long?

    After Artemis 1, it will take NASA 2 years to send astronauts to the moon. Why so long?

    Artemis 2 is scheduled to launch in 2024, but it may be tough for NASA to hit that target. Orion’s successful splashdown Sunday afternoon (Dec. 11) returned some critical components needed for NASA’s Artemis 2 moon mission, which is scheduled to launch 2024 — but it may be tough for the agency to hit that…

  • Asymmetry Detected in the Distribution of Galaxies

    Asymmetry Detected in the Distribution of Galaxies

    Two new studies suggest that certain tetrahedral arrangements of galaxies outnumber their mirror images, potentially reflecting details of the universe’s birth. But confirmation is needed. Physicists believe they have detected a striking asymmetry in the arrangements of galaxies in the sky. If confirmed, the finding would point to features of the unknown fundamental laws that…

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