Jupiter’s Galilean Moons Guide: Io to Callisto
Explore Io, Europa, Ganymede, and Callisto—sizes, orbits, geology, habitability, and how to observe the Galilean moons with binoculars or a telescope.
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Guides to help with your Stargazing Adventure

Information on Galaxies, Stars, Constellations, Planets, Moons, Comets and Asteroids
Listen to Bernard Miller describe his journey into AstroPhotography and detail how he captured this stunning image of the Sculptor Galaxy.
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Drew Evans talks about his passion for astrophotography, the equipment used and tips for post processing image data.
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Hear D.j Van Bourgondien as he talks about using his Celestron EdgeHD 8″ telescope to capture this image of the Fireworks Galaxy
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Explore Io, Europa, Ganymede, and Callisto—sizes, orbits, geology, habitability, and how to observe the Galilean moons with binoculars or a telescope.
Learn how microscopy reveals microplastics: identification, sizing, morphology, brightfield vs darkfield, polarized light, and limits vs FTIR/Raman.

Stars are some of the most widely recognized astronomical objects and are very common in space. There are billions of stars in the Milky Way alone, and their abundance means that there are actually lots of different kinds of stars and each type has its own unique features. Today’s focus are the very cool, very beautiful