Astronomy
25 courses·EN
Explore the sky from nearby moons and planets to stars, galaxies, and the expanding universe. Connect an explanation with the evidence used to investigate it.
Start with observation and scale before a specialized object or method. Physics provides related foundations in light, forces, and energy.
A route through the topic
Start with the introductory explanation below, then choose a focused lesson for the task or question you want to explore.
Courses in this topic
Introduction to Astronomy
A beginner-friendly course exploring the fundamentals of astronomy, teaching learners about celestial objects, the solar system, and basic observational techniques.
20 slides·40 min
Night Sky Reading Fundamentals
Learn to identify constellations, navigate by starlight, and understand celestial motion. Ideal for beginners in astronomy and outdoor enthusiasts seeking foundational night-sky skills.
15 slides·30 min
Astronomy Concepts and Vocabulary
Introduction to astronomy concepts and essential vocabulary, covering celestial objects, phenomena, and foundational terminology for beginners.
14 slides·28 min
Astronomy Starter Workflow
A practical guide for beginners covering the essential workflow to start observing the night sky, from choosing equipment to planning and conducting first observations.
14 slides·28 min
Astronomy Tool Selection and Workflow Design
Learn to select the right astronomy tools and design effective observation workflows, tailored for amateur and aspiring astronomers.
14 slides·28 min
Astronomical Distance Measurement Techniques
Learn how astronomers measure cosmic distances, from parallax to redshift, in this concise guide for astronomy enthusiasts and students.
14 slides·28 min
Black Holes: Evidence and Misconceptions
Explore the science of black holes, separating fact from fiction, and understand the evidence behind these cosmic phenomena.
14 slides·28 min
Cosmic Dimensions and Scale
Explore the vast scale of the universe, from subatomic particles to cosmic structures, in this engaging presentation for curious learners.
15 slides·30 min
Dark Matter and Dark Energy
An introductory course on dark matter and dark energy, covering the evidence for their existence and current theories about their nature in modern cosmology.
14 slides·28 min
Exoplanet Detection Methods
This training provides an overview of exoplanets and the methods used to detect them, teaching learners the key techniques scientists employ to identify planets beyond our solar system.
14 slides·28 min
Expanding Universe Exploration
An overview of the expanding universe, covering key concepts and evidence for learners seeking to understand cosmic expansion and its implications.
15 slides·30 min
Galaxy Shapes, Motion, and Evolution
This training covers galaxy classification, motion, and evolutionary processes, designed for astronomy enthusiasts and students seeking a foundational understanding of galactic structures.
14 slides·28 min
Habitable Worlds Search
Explore the search for habitable exoplanets and the conditions that make a world capable of supporting life.
13 slides·26 min
Light, Spectra, and What They Reveal
This training explores how light and spectra reveal the composition, motion, and properties of celestial objects, equipping learners to interpret astronomical data through spectral analysis.
14 slides·28 min
Milky Way Structure and Motion
This training explains the structure and motion of the Milky Way, helping learners understand its components, spiral arms, and galactic rotation.
14 slides·28 min
Moon Observation
This training teaches learners to observe the Moon, covering key features, phases, and techniques for effective lunar viewing.
14 slides·28 min
Moon Phases, Eclipses & Orbits
Learn about the Moon's phases, orbit, and eclipses in this concise training for astronomy enthusiasts.
13 slides·26 min
Neutron Stars and Stellar Remnants
Learn how neutron stars form and behave, exploring their key properties, structure, and role in stellar evolution for astronomy students and enthusiasts.
14 slides·28 min
Planetary System Formation
This training explains how planetary systems form, covering the processes and stages from dust and gas to fully developed planets for astronomy enthusiasts and students.
14 slides·28 min
Small Bodies of the Solar System
Learn to identify and differentiate comets, asteroids, and meteoroids in this concise astronomy training for space enthusiasts and students.
16 slides·32 min
Solar System: Planets, Moons & Orbits
Explore the solar system's planets, moons, and orbital mechanics in this introductory training for astronomy enthusiasts.
16 slides·32 min
Stellar Formation and Evolution
This training explains stellar formation and evolution, helping learners understand the life cycle of stars from birth to final stages.
14 slides·28 min
Stellar Life Cycles
This training explores the life cycle of stars, from formation to death, for astronomy enthusiasts and students.
16 slides·32 min
Telescopes Across the EM Spectrum
Explore how telescopes reveal the universe across different wavelengths, from radio to gamma rays, and what each part of the electromagnetic spectrum teaches us about cosmic objects and phenomena.
14 slides·28 min