Free interactive 3D model of the universe built on real NASA data
Stage
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Founded
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Based in
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Pricing model
Freemium
Free
Pricing
Free: $0 forever (10 new articles a day, 10-question quiz, 5 Ask Baiku questions per article, save 10 articles for 6 months). Pro: $3.99/month or $29/year (unlimited new articles, all 24 quiz questions, unlimited Ask Baiku questions, certificates, saved articles never expire). Teams & Orgs: Custom p
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Key features
Simplify any topic or web page into clear, ELI5 explanations
Analogies and discovery stories that make ideas stick
Quizzes and self-testing on every article
AI-designed guided learning journeys
Verifiable certificates on completed journeys
Private, incognito learning mode
Available in 13 languages
Key-term tooltips and progress tracking
Ask Baiku questions feature
Create and publish your own learning journeys
Guided solar system tour with narration in 10 languages
Real NASA planet maps and spacecraft trajectories
Exoplanet discovery using real TESS telescope data
Real recordings and sounds from space missions
3D exploration of Solar System and Milky Way
Runs directly in web browser without installation
Gravitational wave data visualization
Milky Way 3D mapping from ESA Gaia data
What makes it different
Works on any topic or web page by pasting a link or searching
Completely free to read every article, always
Explains content in simple, ELI5 language for anyone to understand
Supports 13 languages for global learning
Safeguarded experience for children under 18
Built entirely on real NASA data and scientific observations with no made-up elements
Free to use with no account or tracking required
Available in 10 languages globally
Hunt for real exoplanets using actual TESS mission data
Interactive narrated tours guide users through the universe like a museum guide
Baiku
Space Simulator