Buying Guides
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Best Refractor Telescopes for Beginners
Low-maintenance scopes that are ready to use the night they arrive.
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Best Budget Telescope Eyepieces
Affordable eyepieces that beat the ones bundled with your scope.
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Best Star Projectors
Put the night sky on the bedroom ceiling. Projectors for kids and adults.
Free Resources
Space Printables
Free PDF quizzes and worksheets for kindergarten to adult, with answer keys.
3D Space Models
Spin real maps of the Moon and planets built from NASA data. Find craters, volcanoes and landing sites.
Latest
Table of Contents TLDR Vermont has exactly one public planetarium: the Lyman Spitzer Jr. Planetarium inside the Fairbanks Museum in…
TLDR Exactly one mission has ever reached Pluto: NASA’s New Horizons, which launched in January 2006 and flew past the…
Most directories covering planetariums in Minnesota give you a name and a city and call it done. The deeper guides…
Table of Contents TLDR Every planet in our solar system falls into one of three buckets: terrestrial (rocky, small, close…
Suni Williams logged her retirement paperwork in December 2025, capping a 27-year career and three trips to the International Space…
Table of Contents TLDR There are 88 modern constellations, officially fixed by the International Astronomical Union in 1922 and given…
Table of Contents In June 2026, Anil Menon will strap into a Soyuz seat and head for the International Space…
TLDR Six missions have gotten close to Ganymede, and one is on its way to actually orbit it: No spacecraft…
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