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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

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Can a Lithium Thruster Finally Take Us to Mars?

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

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Was Einstein Wrong About Quantum Reality?

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Will Jet Fuel Shortages Ground Your Summer Holiday?

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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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      Two interesting colliding galaxies

      Gerd DaniJuly 1, 2021March 28, 20260

      NGC 5426 and NGC 5427 are two very similar galaxies that are slowly getting closer. The system, known as Arp…

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        The Milky Way core

        Gerd DaniJune 29, 2021March 28, 20260

        This dazzling infrared image from NASA’s Spitzer Space Telescope shows hundreds of thousands of stars crowded into the swirling core…

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          Herbig Haro objects 161/164

          Gerd DaniJune 28, 2021March 28, 20260

          Herbig Haro objects 161/164 (abbreviated to HH 161/164) are located at a distance of around 1,120 light years in the…

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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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              Dragonfish Nebula

              Gerd DaniJune 25, 2021March 28, 20260

              The Dragonfish Nebula, as it is known for its appearance on infrared images, is a massive emission nebula and star-forming…

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                It is not Photoshop: this is Lonar lake

                Gerd DaniJune 24, 2021March 28, 20260

                It’s not Photoshop or anything like that; the colors of this photo have not been changed: this lake is really…

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                  What is The Hercules–Corona Borealis Great Wall?

                  Gerd DaniJune 23, 2021March 28, 20260

                  The Hercules–Corona Borealis Great Wall is the largest known super-structure in the universe.It is a huge group of galaxies forming…

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                    The coldest object in the Universe: the Boomerang Nebula!

                    Gerd DaniJune 21, 2021March 28, 20260

                    In February 1933 in the Siberian village of Ojmjakon an impressive temperature of -67.8 ° was recorded, which still remains…

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                      Is Mercury the hottest planet in the solar system?

                      Gerd DaniJune 16, 2021March 28, 20260

                      One might expect that Mercury, the closest planet to the Sun, is also the hottest in the entire Solar System….

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