Buying Guides
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Best Zoom Eyepieces
One eyepiece that covers several magnifications without swapping.
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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 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
South Carolina has sent exactly three people to space: Charles Duke Jr., who walked on the Moon during Apollo 16;…
Every “planetariums in Massachusetts” list you’ll find is really a list of two things wearing a trench coat: the Museum…
TLDR A terrestrial planet is a rocky, dense world with a solid surface, built around a layered structure of crust,…
The current record holder is a black hole called UHZ1, and its light left home 13.2 billion years ago, back…
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…
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