Europa and Enceladus: Ocean Worlds and Habitability
Evidence for subsurface oceans on Europa and Enceladus—tidal heating, plumes, chemistry, habitability, Europa Clipper, JUICE—and how to observe these moons.

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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Below are a selection of our Articles, to find more click on one of the sections above, or use the Menu at the top of the page.
Evidence for subsurface oceans on Europa and Enceladus—tidal heating, plumes, chemistry, habitability, Europa Clipper, JUICE—and how to observe these moons.
Stop dew and power your rig all night: heater straps, controllers, 12V batteries, wiring, fuses, and best practices for visual and astrophotography.
Explore how dark matter shapes galaxies and the universe’s structure.