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Planetarium Alternatives

Planetarium is described as 'A browser-based virtual planetarium of stars and planets customizable by location (latitude and longitude) and time of day' and is a Star Map in the education & reference category. There are more than 25 alternatives to Planetarium, not only websites but also apps for a variety of platforms, including Windows, iPhone, iPad, Mac and Android. The best alternative is Google Earth. It's not free, so if you're looking for a free alternative, you could try Stellarium or Celestia. Other great sites and apps similar to Planetarium are Sky Map, NASA World Wind, Gaia Sky and KStars.

Planetarium alternatives are mainly Star Maps but may also be Map Services. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Planetarium.
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A browser-based virtual planetarium of stars and planets customizable by location (latitude and longitude) and time of day.

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  1. Google Earth icon

    Google Earth

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • BSD
    • iPad
    50 alternatives to Google Earth 

    Google Earth lets you fly anywhere on Earth to view satellite imagery, maps, terrain, 3D buildings, from galaxies in outer space to the canyons of the ocean. You can explore rich geographical content, save your toured places, and share with others.

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  2. Stellarium icon

    Stellarium

    • Mac
    • Windows
    • Linux
    • PortableApps.com
    54 alternatives to Stellarium 

    Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.

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    1.  PortableStellarium can be used from a USB stick or similar with no prior installation.
      The dance of the planets above ESO headquarters, near Munich.
      Constellation lines & art are available for multiple cultures
      Stellarium vs Planetarium opinions
      pros, cons and recent comments
      Guest

      It's downloadable on Linux, so it can be used offline.

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    • Celestia icon

      Celestia

      • Mac
      • Windows
      • Linux
      • PortableApps.com
      26 alternatives to Celestia 

      Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.

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      1.  PortableCelestia can be used from a USB stick or similar with no prior installation.
        The orbits of a number of main belt asteroids (in brown) plotted together with major planet orbits (in blue).
        A closeup of the space shuttle Discovery in orbit over Florida; this shot demonstrates Celestia's virtual texture feature for extremely high resolution mapping of planets.
      • Sky Map icon

        Sky Map

        38 alternatives to Sky Map 

        Sky Map (formerly the Google Sky Map) turns your Android-powered mobile phone into a window on the night sky.

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        1.  Augmented RealitySky Map makes use of augmented reality to interact with one or more of its services.
          Screenshot
          Screenshot
        • NASA World Wind icon

          NASA World Wind

          • Mac
          • Windows
          • Linux
          14 alternatives to NASA World Wind 

          World Wind lets you zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data, World Wind lets you experience Earth terrain in visually rich 3D, just as if you were really there.

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          Blue Marble: View of the eastern hemisphere


        • Gaia Sky icon

          Gaia Sky

          • Mac
          • Windows
          • Linux
          42 alternatives to Gaia Sky 

          Gaia Sky is a real-time, 3D, astronomy visualisation software that runs on Windows, Linux and OS X. It is developed in the framework of ESA's Gaia mission to chart about 1 billion stars of our Galaxy in the Gaia group of the Astronomisches Rechen-Institut (ZAH...

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        • KStars icon

          KStars

          • FreeOpen Source
          • Mac
          • Windows
          • Linux
          • KDE
          42 alternatives to KStars 

          KStars is a Desktop Planetarium for KDE. It provides an accurate graphical simulation of the night sky, from any location on Earth, at any date and time. The display includes upto 100 million stars, 13,000 deep-sky objects,all 8 planets, the Sun and Moon, and thousands of comets...

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          KStars showing the constellation of Orion
        • Sky Guide icon

          Sky Guide

          • iPhone
          • iPad
          • Apple Watch
          37 alternatives to Sky Guide 

          A window to the stars has never been more beautiful and easy to use. Sky Guide lets you experience the wonders of the night in ways you’ve only dreamed of.

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          1.  Dark ModeSky Guide supports dark mode for comfortable usage in low light conditions.
            Screenshot
            Screenshot
          • SkyView icon

            SkyView

            • Android
            • iPhone
            • Android Tablet
            • iPad
            • Apple Watch
            • Kindle Fire
            33 alternatives to SkyView 

            SkyView is powerful, easy-to-use app that answers questions about stars, constellations, and more. Simply point the camera to the sky, tap on what you see and discover neat things about these sky objects.

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            1.  Augmented RealitySkyView makes use of augmented reality to interact with one or more of its services.
              Screenshot
              Screenshot
            • Star Walk (series) icon

              Star Walk (series)

              • Android
              • iPhone
              • Android Tablet
              • Windows Phone
              • iPad
              • Apple TV
              • Kindle Fire
              35 alternatives to Star Walk (series) 

              Indispensable for amateurs and professionals, as well as for kids who are eager to learn, Star Walk will guide you through the night sky in style.

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              1.  Augmented RealityStar Walk (series) makes use of augmented reality to interact with one or more of its services.
                Sky Live
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