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Encyclopedia: Solar System

by Good Spider, LLC more by this developer →

#242,669 of 719,896 by ratings on Apple · #18,665 of 72,290 in Education

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Category: Education

Description

Explore 386 illustrated articles about planets, moons, dwarf planets, asteroids, comets, astronomy, missions, discoveries, and the science of our solar system.

Search article titles and full text, open clear article pages, and follow linked topics without losing your place. Reading progress and themed badges help you build a path through the collection.

Explore the solar system from several angles:

- Timeline view follows discoveries, missions, scientists, and changing ideas.
- Graph view reveals relationships between worlds, spacecraft, people, and concepts.
- Map view adds geographic context for observatories, discoveries, and missions where source material provides it.
- References and image credits keep source attribution visible.

Thirty articles are free to read. A one-time purchase unlocks the complete encyclopedia for offline reading, including maps, timelines, and graphs. Monthly or annual Premium includes the complete encyclopedia plus AI chat, with a seven-day free trial for eligible new subscribers. People who bought the original Full Version can restore permanent offline encyclopedia access; AI chat remains a separate Premium feature.

AI chat answers grounded questions about the solar system and links back to relevant articles so you can continue reading and check the context.

Article text is adapted from Wikipedia contributors under Creative Commons Attribution-ShareAlike 4.0. Every article includes source, revision-history, and image-credit links.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Alternatives to Encyclopedia: Solar System

Name	Ratings	Rating
3D Solar System - Planets View by Education Terra OOO	1,705	4.4	compare
Solar System Scope by INOVE, s.r.o.	886	4.4	compare
A Solar System Journey by John Rouda	426	4.5	compare
solAR System Augmented Reality by Ubicolor Ltd	413	4.7	compare
Solar System for kids - Space by Kokotots Inc.	244	4.5	compare
Solar System Builder AR-Space by Mihai Ghiserel	194	4.7	compare
GPT Solar System Explorer by Apic Ways DOO	91	4.7	compare
Solar System Journey - School by John Rouda	83	4.3	compare
Solar System Maker by Shinichi Takemura	63	3.1	compare
Solar System 3D by Tramn Pty Ltd	31	3.7	compare

Growth

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History

Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.