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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
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    • 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

    AstraZeneca, The “it’s banned in Europe” fallacy

    Gerd DaniJune 28, 2021March 28, 20260

    The title of this post is written somewhat in jest because this is not a formally recognized fallacy; nevertheless, it…

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      Climate Change Is Making Extreme Weather Events More Frequent

      Gerd DaniJune 27, 2021March 28, 20260

      The United Nations calculated that extreme weather events resulted in 15,000 deaths and resulted in economic losses of US $170…

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        How did galaxies form?

        Gerd DaniJune 27, 2021March 28, 20260

        While observational tests on the details of cosmology proceed apace, astronomers are focusing on the mechanics of how matter came…

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          Is there anyone out there?

          Gerd DaniJune 27, 2021March 28, 20260

          In it’s simplest terms, the Fermi Paradox asks: “Given that the chances for life to arise seem abundant, why have…

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            The reliefs of impressive size on the Red Planet

            Gerd DaniJune 27, 2021March 28, 20260

            You have all heard of Olympus Mons on Mars, which with an elevation of over 25 km is the highest…

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              Welcome to Point Nemo

              Gerd DaniJune 27, 2021March 28, 20260

              For some, “getting away from it all” might mean a trip to the South Pacific — some delightful tropical island…

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                Could the collision of neutron stars make you gold rich?

                Gerd DaniJune 26, 2021March 28, 20260

                Colliding neutron stars were touted as the main source of some of the heaviest elements In the Periodic Table. Neutron star…

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                  Binary Black Holes- Black Holes that May have Collided

                  Gerd DaniJune 26, 2021March 28, 20260

                  A Binary Black Hole (BBH) is a system consisting of two black holes in close orbit around each other. Like…

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                    Do Eggs Help Keep Our Hunger in Check?

                    Gerd DaniJune 26, 2021March 28, 20260

                    Humans have eaten eggs for millions of years. Today, eggs are used in all sorts of dishes and drinks, from…

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                      The link between climate change and Astronomy, Climate change affects astronomy, and vice versa.

                      Gerd DaniJune 26, 2021March 28, 20260

                      As astronomers look out to the universe, they use planet Earth as an important reference point. This has created a…

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