Explore the universe and how it works. Master astronomy through bite-sized, swipeable learning tiles — designed for busy people who want to learn on the go.
This Astronomy short course on SkillTiles breaks down everything you need to know into 10 structured milestones, each packed with bite-sized learning tiles you can swipe through in under 15 seconds each.
Whether you're a complete beginner or looking to refresh your knowledge, this online astronomy course uses AI-powered content to adapt to your learning pace. Each tile delivers a focused concept, example, or quiz — making it perfect for commutes, coffee breaks, or quick study sessions.
Covering 70 key topics across 10 milestones, this course takes you from foundations to practical application. Earn badges as you complete each milestone and track your progress on your learning dashboard.
Course Curriculum
1
Our Solar System
Planets, stars, and the scale of the universe
the eight planetsthe sun as a starlight years and distance scalesthe moon and tidesasteroids and cometsblack holes simplifiedis there life elsewhere?
2
Solar System
Our cosmic neighborhood
the Sun's structure and lifecycleinner planets (Mercury to Mars)outer planets (Jupiter to Neptune)dwarf planets and the Kuiper Beltmoons of the solar systemasteroids and cometssolar system formation
3
Stars & Stellar Evolution
Life and death of stars
star classification (spectral types)how stars formmain sequence starsred giants and supergiantswhite dwarfs and neutron starssupernovae and black holesstellar nucleosynthesis
4
Galaxies & Universe
The large-scale structure of everything
Milky Way structuregalaxy types and classificationgalaxy clustersthe expanding universedark matter evidencedark energy and cosmic accelerationcosmic web structure
5
Observational Astronomy
How we see the cosmos
telescope types and selectionfinding objects in the night skystar charts and appsastrophotography basicslight pollution managementnaked-eye observationsspace-based observatories
6
Cosmology
Origin and fate of the universe
Big Bang theorycosmic microwave backgroundinflation theorytimeline of the universeage and size of the universemultiverse hypothesisultimate fate of the universe
7
Exoplanets & Life
Searching for other worlds
exoplanet detection methodshabitable zone conceptnotable exoplanet discoveriesastrobiology basicsDrake equationSETI and the search for intelligencefuture exploration missions
8
Space Exploration
Humanity's journey beyond Earth
history of space explorationcurrent space missionsMars explorationspace stations and habitatscommercial spaceflightfuture Moon and Mars colonieschallenges of deep space travel
9
Astrophysics Essentials
The physics that governs the cosmos
gravity and orbital mechanicselectromagnetic spectrumspectroscopy basicsrelativity simplifiedquantum effects in astronomygravitational wavesenergy sources in the universe
10
Current Astronomy
Latest discoveries and future frontiers
James Webb Space Telescope discoveriesgravitational wave observationsrecent exoplanet findingscommercial space developmentsupcoming missionscitizen science projectsbecoming an amateur astronomer