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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.
    • Robots
  • Healh
  • Lifestyle
    • Sport
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  • Environment
    • ClimateChange
  • Biology
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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

    Spitzer Captures Stellar Family Portrait

    Gerd DaniJuly 4, 2021March 28, 20260

    IMAGE: In this large celestial mosaic taken by NASA’s Spitzer Space Telescope and published in 2019, there’s a lot to…

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      Never seen before cosmic structures spotted in distant galaxy!

      Gerd DaniJuly 4, 2021March 28, 20260

      Cosmic structures, the likes of which have never been seen before, have been spotted by astronomers in observations which could…

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        Introduction to the Casimir effect

        Gerd DaniJuly 4, 2021March 28, 20260

        The Casimir effect is a small attractive force that acts between two close parallel uncharged conducting plates.  It is caused…

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          New, Third Type of Supernova Discovered: An Electron-Capture Supernova

          Gerd DaniJuly 4, 2021March 28, 20260

          An international team of astronomers has observed the first example of a new type of supernova. The discovery, confirming a…

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            Orienting on Mars

            Gerd DaniJuly 4, 2021March 28, 20260

            On Earth we all know that the north celestial pole is indicated by the Polar Star. This happens given that…

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              Earth’s cryosphere is shrinking by 87,000 square kilometers per year

              Gerd DaniJuly 3, 2021March 28, 20260

              The global cryosphereβ€”all of the areas with frozen water on Earthβ€”shrank by about 87,000 square kilometers (about 33,000 square miles,…

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                This is Proxima Centauri

                Gerd DaniJuly 2, 2021March 28, 20260

                Proxima Centauri is a red dwarf located just 4.23 light years away from Earth, making it the closest star to…

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                  Talking about angular velocity

                  Gerd DaniJuly 1, 2021March 28, 20260

                  Folks !!! Have you ever thought why this happens ? πŸ˜€  Well its all the game of acceleration we all…

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                    NASA’s Webb Will Use Quasars to Unlock the Secrets of the Early Universe

                    Gerd DaniJuly 1, 2021March 28, 20260

                    Quasars are very bright, distant and active supermassive black holes that are millions to billions of times the mass of…

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                      This Week’s Deadly Heatwave Shows We Need a New Way to Talk About Climate Change

                      Gerd DaniJuly 1, 2021March 28, 20260

                      In recent days, as Western Canada and the United States have been broiling under a climate-fueled heat crisis, all sorts…

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