Buying Guides
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Best Tabletop Telescopes
Ten compact scopes for planets, galaxies and kids that set up on any table.
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Best Zoom Eyepieces
One eyepiece that covers several magnifications without swapping.
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Best Telescopes for Viewing Planets
Scopes that show Saturn's rings, Jupiter's bands and the Martian poles.
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, landing sites, the rings of Saturn, Uranus and Neptune and the moons of Jupiter.
Latest
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TLDR Kansas has exactly three public planetariums: the Justice Planetarium inside the Cosmosphere in Hutchinson, the L. Russell Kelce Planetarium…
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TLDR: Carbon stars are dying red giants that have belched so much soot-forming carbon into their own atmospheres that it…










