What are the best astronomy courses on Coursera?

Top options include Astronomy: Exploring Time and Space from the University of Arizona and The Evolving Universe from the Caltech . These courses cover stars, galaxies, planets, black holes, and the scientific methods used to explore the universe.

Can I learn astronomy for free on Coursera?

Yes. Many astronomy courses offer a free audit option, allowing you to access lectures and reading materials at no cost. To complete assignments or earn a certificate, you’ll need to upgrade or apply for financial aid.

What will I learn in an astronomy course?

You’ll learn about celestial objects, the life cycle of stars, planetary motion, space exploration , and cosmology. Some courses also explore topics like exoplanets, telescopes, and the possibility of life beyond Earth.

Do I need a science or math background to study astronomy on Coursera?

Not necessarily. Many courses are designed for beginners and focus on conceptual understanding, with optional math-based content. More technical courses may include physics or calculus , but course descriptions will indicate prerequisites.

Can studying astronomy on Coursera help me in my career?

Yes. These courses are great for preparing for STEM studies , science educators, or lifelong learners. While they don’t replace a formal degree, they can support academic growth, strengthen scientific literacy, and fuel interest in careers in science and space research.

Best Astronomy Courses & Certificates Online [2025]

Status: Preview

University of Arizona

Astronomy: Exploring Time and Space

Skills you'll gain: Physical Science, Physics, Engineering, Scientific, and Technical Instruments, Ancient History, Chemistry, General Science and Research, Scientific Methods, Scientific Visualization, Research, Simulations

Status: Preview

University of Rochester

Confronting The Big Questions: Highlights of Modern Astronomy

Skills you'll gain: Physics, Physical Science, Life Sciences, Biology, Environment, General Science and Research, Scientific Methods, Systems Of Measurement, Chemistry

Status: Preview

Stanford University

Understanding Einstein: The Special Theory of Relativity

Skills you'll gain: Physics, Timelines, Verification And Validation, Scientific Methods, Research, Mechanics, Mathematical Modeling, Systems Of Measurement

Status: Preview

University of Arizona

Knowing the Universe: History and Philosophy of Astronomy

Skills you'll gain: Ancient History, Physics, General Science and Research, Mechanics, Physical Science, European History, Science and Research, World History, Scientific Methods, Biology, Mathematical Modeling

Status: Preview

The University of Tokyo

From the Big Bang to Dark Energy

Skills you'll gain: Physics, Physical Science, General Science and Research, Scientific Methods, Chemistry, Systems Of Measurement

Status: Preview

Politecnico di Milano

Archaeoastronomy

Skills you'll gain: Ancient History, Art History, Architectural Design, Civil and Architectural Engineering, Social Studies, Architecture and Construction, World History, Anthropology, Physical Science, Cultural Diversity, General Science and Research, Scientific Methods

Astronomy Courses

Filter by

Subject
Required

Language
Required

Learning Product
Required

Level
Required

Duration
Required

Skills
Required

Subtitles
Required

Educator
Required