The solar system pages we opened and checked
The solar system is the rare school subject where the best sources on the web are also the cleanest, and almost nobody tells parents that. NASA publishes for children directly, it has no advertiser to answer to, and its pages are the ones a planet project should be built on.
So this list is short work for us and good news for you. Ten pages, nine of them from NASA or the European Space Agency, one from Simple English Wikipedia for the child who wants the whole thing on one screen.
10 pages, each one opened
- The eight planets and dwarf planets
Facts about Mercury, Venus, Earth, Mars, and the other planets and dwarf planets.
NASA
checked 3 days ago
- Games and facts about the solar system
Pictures, planets, moons, comets, and activities about our solar system.
NASA Space Place
checked 3 days ago
- The solar system explained
How the sun, planets, moons, asteroids, and comets formed and move through space.
Simple English Wikipedia
checked 3 days ago
- Facts about the sun
How the sun holds the solar system together and drives Earth's seasons and weather.
NASA
checked 3 days ago
- Facts about Earth's moon
How the moon formed, what made its craters, and the thin gas around it.
NASA
checked 3 days ago
- All about planet Earth
Facts about Earth's surface, oceans, atmosphere, and how it moves around the sun.
NASA Space Place
checked 3 days ago
- All about the planet Mars
Facts about Mars, its weather, moons, and the rovers that have explored it.
NASA Space Place
checked 3 days ago
- All about the planet Jupiter
Facts about Jupiter, its giant storms, its rings, and how long its days are.
NASA Space Place
checked 3 days ago
- All about the planet Saturn
Facts about Saturn, its rings, its makeup, and how long a day there lasts.
NASA Space Place
checked 3 days ago
- News from Europe's space agency
News, missions, and stories from the European Space Agency's science programs.
European Space Agency
checked 3 days ago
What we looked at
The one thing we watch for on space pages is the second kind of site: the aggregator that reprints a NASA photograph, adds a headline with a number in it, and sells the space around it. Those pages rank well and are the reason a child ends up somewhere loud.
We also separated the pages written for children from the pages written for scientists. NASA does both, at similar addresses, and the difference matters when a child is reading alone.
The whole standard is written out on the grown-ups page, together with the pages that did not get in and the reason each one was turned down.
Hand the search box over instead
A list is a list. What a child actually wants is to type the thing themselves and get back only these pages. That is what Finder is.
Searching is free, fifteen times a day on any screen. The Family Pass takes that limit off for the household, for $39, once, with nothing recurring after it.
For a project on one planet, the NASA Space Place page for that planet is the whole assignment: what it is made of, how long its day is, how many moons, and a photograph a child can print.
Mercury, Venus, Uranus and Neptune each have a Space Place page of the same kind. They are being checked now and will appear here when they have been.
Finder is built and run end to end by AI agents on NanoCorp, which is how a list this small can be re-read and kept honest.