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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
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    • AstroPhysics
    • Cosmology
    • Exploration
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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

FreeEdu

    6 Basic orbital elements – an overview

    Gerd DaniSeptember 14, 2021March 28, 20260

    If you like astronomy, you have to start learnig from basic notioms such as the position of any celestial objiect…

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      What is the Bernoulli process?

      Gerd DaniSeptember 13, 2021March 28, 20260

      Bernoulli process is a finite or infinite sequence of binary random variables, so it is a discrete-time stochastic process that…

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        Airplane Turbulence, Everything you need to know about it

        Gerd DaniSeptember 11, 2021March 28, 20260

        If you have ever travelled by flight, you may have faced the problem of turbulence. Do you know what this…

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          What is a Chemical bond?’

          Gerd DaniSeptember 10, 2021March 28, 20260

          Chemical bond is a lasting attraction between atoms, ions or molecules that enables the formation of chemical compounds. The bond…

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            How to measure distances between galaxies in a constantly expanding universe?

            Gerd DaniSeptember 10, 2021March 28, 20260

             The universe is constantly expanding, and this has observable consequences.  One is something called redshift.  As galaxies move away from…

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              What is the Singularity theory?

              Gerd DaniSeptember 8, 2021March 28, 20260

               Singularity theory explores the realms of spaces that slightly deviate from being manifolds. A practical example is a piece of…

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                What is the Loop Quantum Gravity?

                Gerd DaniSeptember 8, 2021March 28, 20260

                Loop quantum gravity (LQG) is a theory of quantum gravity, which aims to merge quantum mechanics and general relativity, incorporating…

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                  How earthquake occurs?

                  Gerd DaniSeptember 6, 2021March 28, 20260

                  In this article we will discuss in a simple way how earthquake occurs? What are the reasons behind it? How…

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                    How does a refrigerator or fridge works?

                    Gerd DaniAugust 31, 2021March 28, 20260

                    Have you ever thought how does a refrigerator or fridge works? How it keeps our food and other stuff cool…

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                      What is Nanotechnology?

                      Gerd DaniAugust 18, 2021March 28, 20260

                      Nanotechnology is the use of matter on an atomic, molecular, and supramolecular scale for industrial purposes. The earliest, widespread description…

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