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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

    Electromagnetic Bursts Appear Before Earthquakes – We May Finally Know Why

    Gerd DaniMay 30, 2021March 28, 20260

    For some time, seismologists have been aware of brief, subtle anomalies in underground electrical fields leading up to an earthquake,…

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      UFO? No, Pan

      Gerd DaniMay 30, 2021March 28, 20260

      As much as a flying saucer may remember, the object you are seeing is actually a very peculiarly shaped moon…

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        Talking About Sharpless 2-115

        Gerd DaniMay 29, 2021March 28, 20260

        Sharpless 2-115 (abbreviated to Sh2-115, and also known as LBN 357 and Avedisova 1110) is an emission nebula and an…

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          Solar storms could soon pose a threat to Earth

          Gerd DaniMay 28, 2021March 28, 20260

          A few days ago, millions of tons of super-heated gas shot off from the surface of the sun and hurtled…

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            The importance of the Egg nebula

            Gerd DaniMay 28, 2021March 28, 20260

            The Egg Nebula is a protoplanetary nebula 3000 light-years away from Earth, visible in the constellation of the Swan. The…

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              What is a White hole?

              Gerd DaniMay 27, 2021March 28, 20260

              White hole is a hypothetical region of spacetime and singularity that cannot be entered from the outside, although energy-matter, light…

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                A fantastic trip

                Gerd DaniMay 27, 2021March 28, 20260

                The longest non-stop commercial flight currently active is the line connecting Newark (in the United States) to Singapore. The flight…

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                  The cosmic horseshoe

                  Gerd DaniMay 27, 2021March 28, 20260

                  The Cosmic Horseshoe is a gravitationally lensed system of two galaxies in the constellation of Leo. It was discovered in…

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                    Micromoon vs Supermoon

                    Gerd DaniMay 26, 2021March 28, 20260

                    We often hear about the Supermoon, but what does this term actually mean? First of all we must remember that…

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                      Dark matter map reveals hidden bridges between galaxies

                      Gerd DaniMay 26, 2021March 28, 20260

                      A new map of dark matter in the local universe reveals several previously undiscovered filamentary structures connecting galaxies. The map,…

                      Read More
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