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FreeAstroScience logo with a glowing star, open book, and Earth on a space-themed circular badge with the tagline Igniting Curiosity for free astronomy science education

FreeAstroScience

  • Home
  • Astronomy
    • AstroPhysics
    • Cosmology
    • Exploration
  • Physics
  • Hi-Tech
    • A.I.
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  • Environment
    • ClimateChange
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Headlines
  • Scenic view of waterfall

    When lakes lose their winter pulse: Climate change and the hidden Nitrogen story

    May 27, 2026May 27, 2026
  • Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

    Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

    May 27, 2026May 27, 2026
  • Mercury's polar water ice: new models suggest a larger, slower impact source

    Mercury’s polar water ice: new models suggest a larger, slower impact source

    May 26, 2026May 26, 2026
  • xray woman doing biceps curls

    New Cell Therapy Offers Hope for Advanced Liver Disease Patients

    May 25, 2026May 25, 2026
  • Dark matter investigations: quantum limits and the classical field behavior of axions

    Dark matter investigations: quantum limits and the classical field behavior of axions

    May 25, 2026May 25, 2026
  • Shenzhou-23: paving the path to lunar and Martian expeditions

    Shenzhou-23: paving the path to lunar and Martian expeditions

    May 25, 2026May 25, 2026
  • gerd on plane

    Why Do Ears Pop on Planes? The Truth Nobody Told You

    May 24, 2026May 24, 2026
  • Sun emitting golden light rays across all eight planets of the solar system showing light travel time from Mercury to Neptune

    How Long Does Light Take to Cross Our Solar System?

    May 24, 2026May 24, 2026
  • NGC 5584 barred spiral galaxy in Virgo with purple star-forming arms and bright foreground stars

    Can NGC 5584 Prove the Universe Expands Too Fast?

    May 24, 2026May 24, 2026
  • Scale comparison of UY Scuti hypergiant (1.26 billion km) dwarfing Earth's orbit (300 million km) and the Sun (1.39 million km).

    How Big Is UY Scuti? Could This Star Swallow Our Solar System?

    May 23, 2026May 23, 2026
  • Latest
  • Popular

When lakes lose their winter pulse: Climate change and the hidden Nitrogen story

May 27, 2026May 27, 2026

Galaxies shaped by cosmic location just 1.2 billion years after the Big Bang

May 27, 2026May 27, 2026

Mercury’s polar water ice: new models suggest a larger, slower impact source

May 26, 2026May 26, 2026

New Cell Therapy Offers Hope for Advanced Liver Disease Patients

May 25, 2026May 25, 2026

    W49B

    Gerd DaniFebruary 3, 2021March 28, 20260

    W49B (also known as SNR G043.3-00.2 or 3C 398) is a nebula in Westerhout 49 (W49). The nebula is a…

    Read More

      The Pleiades

      Gerd DaniFebruary 3, 2021March 28, 20260

      The Pleiades are one of the most beautiful and famous open clusters in the sky. Located just 400 light years…

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        IS AFRICA GOING TO DIVIDE INTO TWO CONTINENTS?

        Gerd DaniFebruary 3, 2021March 28, 20260

        Africa breaks in two to make way for a new ocean. A couple of years ago a huge crack opened…

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          What is THE BIG BANG THEORY?

          Gerd DaniFebruary 2, 2021March 28, 20260

          The Big Bang theory is a cosmological model of the observable universe from the earliest known periods through its subsequent…

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            NGC 7635 – THE BUBBLE NEBULA EXPANDS

            Gerd DaniFebruary 2, 2021March 28, 20260

            NGC7635 is being ejected by the solar wind from the massive star BD+602522, visible in blue to the right within…

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              Lunar cycles can affect our sleep

              Gerd DaniFebruary 1, 2021March 28, 20260

              In a new study, scientists from the University of Washington, in collaboration with the National University of Quilmes in Argentina…

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                What is A RING SYSTEM?

                Gerd DaniFebruary 1, 2021March 28, 20260

                A ring system is a disc or ring orbiting an astronomical object that is composed of solid material such as…

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                  Earth’s magnetic field is shaking things up once again

                  Gerd DaniJanuary 31, 2021March 28, 20260

                  Sloshing liquid iron in Earth’s outer core generates our planet’s protective magnetic field. It guards against solar winds that ferry…

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                    EXPANSION OF THE UNIVERSE

                    Gerd DaniJanuary 31, 2021March 28, 20260

                    We already told about this argument (video. podcast). now it’s time to sumrize and fix it in your mind using…

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                      WHITE HOLES COULD BE THE MYSTERIOUS SECRET INGREDIENT OF DARK MATTER

                      Gerd DaniJanuary 31, 2021March 28, 20260

                      White holes, which theoretically are the exact opposites of black holes, could be an important part of the mysterious dark…

                      Read More
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