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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

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Why Does Gravity’s Constant G Still Baffle Science After 225 Years?

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    The Siamese twins

    Gerd DaniMarch 6, 2021March 28, 20260

    The Siamese Twins, also known as the Butterfly Galaxies, are a pair of colliding unbarred spiral galaxies located in Virgo…

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      NGC 4151

      Gerd DaniMarch 5, 2021March 28, 20260

      NGC 4151 (also known as UGC 7166 and PGC 38739) is a spiral Seyfert galaxy, located at a distance of…

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        Reserve the prospective

        Gerd DaniMarch 4, 2021March 28, 20260

        From Earth there are five planets in the Solar System that are bright enough to be seen with the naked…

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          Bode’s Galaxy

          Gerd DaniMarch 3, 2021March 28, 20260

          Messier 81 (also known as NGC 3031 or Bode’s Galaxy) is a grand design spiral galaxy about 12 million light-years…

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            GK Persei. a bright nova

            Gerd DaniMarch 3, 2021March 28, 20260

            A nova (latin for new) is the high and rapid increase in the brightness of a star. This term is…

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              Ross 614 binary

              Gerd DaniMarch 2, 2021March 28, 20260

              Ross 614 is a binary system of red dwarfs visible in the constellation Monoceros. The two stars of the system…

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                Observe this galaxy carefully. Notice anything strange?

                Gerd DaniFebruary 28, 2021March 28, 20260

                If you try to compare this image with those of other galaxies you will notice that in this case the…

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                  The Black Eye Galaxy

                  Gerd DaniFebruary 27, 2021March 28, 20260

                  The Black Eye Galaxy (also called Evil Eye Galaxy and designated Messier 64, M64, or NGC 4826) is a relatively…

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                    NGC 4622: Exploring the Backward Galaxy

                    Gerd DaniFebruary 24, 2021March 28, 20260

                    Located within the Centaurus constellation, NGC 4622, commonly referred to as the Backward galaxy, is a face-on spiral galaxy free…

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                      Psimis 24

                      Gerd DaniFebruary 21, 2021March 28, 20260

                      Pismis 24 is an open cluster inside NGC 6357, an emission nebula located about 8000 light years away from Earth….

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