AstroSphere
HomeExplore UniverseTimelineCelestial LibraryAI AstronomerVisual LabCosmic ToursSky Map
CoursesAudio NotesVideosConcept MapsObservationsJournalQuizzesCollectionsInventoryAbout
Structured Learning

Courses

Ten comprehensive learning paths from astronomy basics to astrophysics foundations.

🌟Beginner

Astronomy Basics

OpenStax Ch. 1–4: science, sky, orbits, Earth-Moon system.

beginneropenstax
2 modules8h
🪐Beginner

Solar System Mastery

OpenStax Ch. 7–14: planets, moons, debris, formation.

planets
2 modules12h
⭐Intermediate

Stars & Stellar Evolution

OpenStax Ch. 15–23: Sun, starlight, birth, life, death.

stars
2 modules10h
🌌Intermediate

Galaxies & Deep Space

OpenStax Ch. 25–28: Milky Way, galaxy types, active nuclei.

galaxies
2 modules10h
🕳️Advanced

Black Holes & Relativity

ANU Violent Universe + OpenStax Ch. 24.

black holes
2 modules14h
💥Advanced

Cosmology & the Big Bang

ANU Cosmology + OpenStax Ch. 29.

cosmology
2 modules12h
🪐Intermediate

Exoplanets & Life in the Universe

ANU Exoplanets + OpenStax Ch. 21, 30.

exoplanets
2 modules10h
❓Intermediate

Greatest Unsolved Mysteries

ANU ASTRO1x: dark matter, dark energy, first light, life.

frontier
2 modules9h
🕉️Intermediate

Indian Astronomy

Vedic astronomy, Aryabhata, Jantar Mantar, ISRO.

india
2 modules8h
🚀Intermediate

Space Missions & Rockets

Apollo, Voyager, JWST, rocket engineering.

missions
2 modules10h
🔭Beginner

Observational Astronomy

Telescopes, spectra, and practical sky-watching.

observing
2 modules8h
📐Advanced

Astrophysics Foundations

Mechanics, radiation, math for astronomy (Brilliant-style).

physics
2 modules16h
AstroSphere

The Complete Astronomy Universe. Explore the cosmos visually, intelligently, deeply.

From Ancient Skies to Deep Space.

Explore

Explore UniverseTimelineCoursesVisual LabAI AstronomerSky MapContent Inventory

Sphere Ecosystem

PhiloSpherePhilosophy Universe
AstroSphereAstronomy Universe
BioSphereBiology Universe
GeoSphereEarth Science Universe
© 2026 AstroSphere — Part of the Sphere Ecosystem. All rights reserved.