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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.

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Explore Scientific Galileoscope Refractor Telescope STEM Kit

SKU ES-GSCOPE
Original price $24.99 - Original price $24.99
Original price
$24.99
$24.99 - $24.99
Current price $24.99
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  • Hands-On Telescope Assembly: Build a functional refractor telescope from the ground up.
  • No Tools Required: All components snap together in minutes without tools or adhesives.
  • Multiple Magnification Options: Includes a standard eyepiece, a Barlow lens for higher power, and a Galilean configuration.
  • Recreate History: Experience the universe as Galileo did by observing the Moon, planets, and star clusters.
  • Proven STEM Tool: An official project of the 2009 International Year of Astronomy, designed to teach optical principles.
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  • Description
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  • Galileoscope Refractor Telescope STEM Kit

    The Galileoscope Refractor Telescope STEM Kit provides a direct, hands-on connection to the fundamentals of astronomy and optics. This educational kit allows you to assemble a high-quality refractor telescope in minutes, without any tools, recreating the same type of instrument Galileo used for his groundbreaking discoveries. Originally developed for the 2009 International Year of Astronomy, this kit is designed to reveal craters on the Moon, the moons of Jupiter, the rings of Saturn, and bright star clusters.

    A Hands-On STEM Introduction to Optics

    More than just a telescope, the Galileoscope is a complete learning experience. The assembly process itself is a lesson in optical science, demonstrating how lenses focus light to create an image. Because you build it yourself, you gain an intuitive understanding of core concepts like focal length, magnification, and field of view.

    The entire kit is designed for classroom and home use, with durable components that snap together securely. Now produced by Explore Scientific, the Galileoscope continues its mission to make science accessible, turning curiosity into a tangible understanding of how we observe the universe.

    Recreating Galileo's Discoveries with Modular Eyepieces

    The kit includes a modular eyepiece system that lets you experiment with different views. You start with a modern, standard eyepiece for bright, wide-field views. You can then add the included Barlow lens to double the magnification for closer looks at planetary details, like the cloud bands of Jupiter or the Cassini Division in Saturn's rings.

    Most uniquely, the components can be reconfigured into a Galilean eyepiece. This setup reproduces the narrow, upright view that Galileo himself would have seen, offering a powerful historical perspective. This versatility allows you to progress from simple observation to a deeper appreciation of the scientific challenges early astronomers faced.

  • What can I actually see with the Galileoscope STEM Kit?

    The Galileoscope is a real astronomical instrument capable of revealing stunning celestial sights. You can clearly observe:

    • The Moon: Craters, mountains, and maria (the dark "seas").
    • Jupiter: The planet's disk and its four largest moons, which change position nightly.
    • Saturn: The iconic rings, visible as a distinct structure separate from the planet.
    • Star Clusters: Bright open clusters like the Pleiades (M45) and the Beehive Cluster (M44).

    How long does it take to assemble the Galileoscope?

    Assembly is fast and straightforward, typically taking only a few minutes. The kit is designed for easy, tool-free construction, with all parts interlocking securely. This makes it an ideal project for classrooms, workshops, or a family activity.

    Is the Galileoscope a toy or a real telescope?

    It is a high-quality, real telescope designed for education. While its construction is simple, the optics are designed to provide sharp, clear views of astronomical objects. It was created as a cornerstone project for the International Year of Astronomy to promote science education with a capable, low-cost instrument.

    Can I use the Galileoscope to look at things on land, like birds?

    Yes. By assembling the eyepiece components into the Galilean configuration, the telescope will produce an upright, non-reversed image. This makes it suitable for terrestrial viewing during the day, though the field of view in this mode is narrow, just as it was for Galileo.

    How does the Galileoscope kit help teach science concepts?

    The Galileoscope is a powerful STEM tool that teaches fundamental principles through hands-on interaction. Assembling the kit demonstrates how lenses work, while experimenting with the different eyepiece configurations provides a practical lesson in magnification, field of view, and image orientation. It bridges the gap between textbook theory and practical application.

    Can the Galileoscope show me Saturn's rings clearly?

    Yes. Using the standard eyepiece combined with the included Barlow lens provides enough magnification to clearly resolve Saturn's rings. You will be able to see them as a distinct structure, separate from the planet itself, allowing you to recreate one of the most famous observations in the history of astronomy.

  • GTIN 811803034457
  • Explore Scientific Warranty