Astronomy & Astrophysics
The universe at every scale: planets, black holes, galaxies, cosmology, and backyard skywatching.
20 Topics
Amateur Astronomy & Skywatching
Amateur astronomy provides practical guidance for observing the night sky. Learners will understand how to identify constellations, track celestial events, and use binoculars or entry-level telescopes to locate planets and deep-sky objects.
Astrobiology
Astrobiology investigates the origins, evolution, and distribution of life in the universe. Learners will understand the chemical precursors to life, the environmental limits of habitability on Earth, and the scientific methods used to search for biosignatures on other planets.
Astronaut Training
Astronaut training covers the physical, psychological, and technical preparation required for spaceflight. You will understand the systems engineering of spacecraft, survival techniques, microgravity adaptation, and the operational protocols necessary to conduct scientific missions in space.
Astrophysics
Astrophysics applies the laws of physics to understand the universe. Learners will explore the physical properties, behaviors, and life cycles of stars, planets, galaxies, and cosmic phenomena using mathematical and scientific models.
Black Holes & Gravitational Waves
This topic explores the physics of extreme gravity and spacetime. Learners will understand how black holes form, how they affect their surroundings, and how scientists detect gravitational waves to study cosmic collisions.
Exoplanets
This subject focuses on planets orbiting stars outside our solar system. Learners will understand the detection methods used to find these worlds, how to analyze their atmospheric compositions, and the criteria used to assess their potential habitability.
Exoplanets & Astrobiology
This topic examines planets outside our solar system and the potential for extraterrestrial life. Learners will understand detection methods, planetary habitability criteria, and the biochemical signatures of life in the universe.
Galaxies & Cosmology
Cosmology is the study of the origin, evolution, and ultimate fate of the universe. Learners will understand galactic structure, dark matter, dark energy, and the cosmic microwave background radiation.
Introduction to Astronomy
This topic introduces the fundamental concepts of space science. Learners will understand the structure of our solar system, the lifecycle of stars, and the basic tools and methods astronomers use to study the cosmos.
Observational Astronomy
Observational astronomy focuses on gathering data from celestial objects. Learners will understand how to use optical telescopes, radio arrays, and digital sensors to capture, process, and analyze astronomical data.
Planetary Science
Planetary science examines the geology, atmospheres, and interiors of planets, moons, and smaller bodies. Learners will understand the physical processes that shape planetary surfaces, drive atmospheric dynamics, and influence the thermal evolution of worlds inside and outside our solar system.
Radio & High-Energy Astronomy
This field studies the universe using radio waves, X-rays, and gamma rays. Learners will understand how to analyze emissions from extreme cosmic phenomena like pulsars, black holes, and supernova remnants to map the high-energy universe.
Radio & Multiwavelength
Multiwavelength astronomy combines data from across the electromagnetic spectrum, from radio to gamma rays. Learners will understand how to synthesize observations from different wavelengths to construct complete physical models of astronomical objects and processes.
Satellite Technology
Satellite technology covers the design, launch, and operation of artificial satellites. You will understand orbital mechanics, payload systems, communication links, and how satellite data is collected and processed for earth observation, navigation, and telecommunications.
Solar System
This subject covers the Sun, planets, moons, asteroids, and comets orbiting our star. Learners will understand the formation, dynamics, and composition of these celestial bodies, as well as the gravitational interactions that govern their orbits.
Space Engineering
Space engineering is the application of engineering principles to the design and development of spacecraft and launch vehicles. You will understand propulsion systems, structural design, thermal control, and the environmental challenges of operating hardware in outer space.
Space Exploration
This topic covers the history, technology, and science of human and robotic missions beyond Earth. Learners will understand orbital mechanics, spacecraft propulsion, life support systems, and the scientific goals of past, current, and planned voyages into the solar system.
Space Missions & Telescopes
This topic covers the engineering, objectives, and history of space-based observatories and exploratory probes. Learners will understand how instruments like Hubble, James Webb, and interplanetary missions collect data and advance our knowledge of the cosmos.
Stellar Astronomy
Stellar astronomy focuses on the physics, classification, and life cycles of stars. Learners will understand how stars generate energy through nuclear fusion, how they evolve over time, and how they synthesize the chemical elements found throughout the universe.
Telescope Usage
This practical guide covers the design, setup, and operation of optical and digital telescopes. Learners will understand how to select equipment, align mounts, locate celestial objects, and capture astronomical data using various imaging techniques and software.
