BloomTech’s Downfall: A Long Time Coming

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Coursera’s 2023 Annual Report: Big 5 Domination, Layoffs, Lawsuit, and Patents

Coursera sees headcount decrease and faces lawsuit in 2023, invests in proprietary content while relying on Big 5 partners.

Dhawal Shah Mar 04, 2024

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Subjects
Science
Astronomy

Free Online

Astronomy Courses and Certifications

Learn Astronomy, earn certificates with free online courses from Harvard, Stanford, MIT and other top universities around the world. Read reviews to decide if a class is right for you.

515 courses

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Class Central's Top Astronomy Courses

We've picked the best online courses to learn Astronomy from the Class Central catalog.

Some courses are concise and get you up to speed in no time, others will be more comprehensive.

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CrashCourse

Astronomy by CrashCourse

6 reviews
Astronomy and Space for Children

1 review
The Science of the Solar System

49 reviews
Australian National University

Astrophysics: Cosmology

10 reviews
Astro 101: Black Holes

9 reviews
Astrobiology and the Search for Extraterrestrial Life

34 reviews

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ISAE-SUPAERO
New Space: Access to space - Basics
39 ratings at Coursera

Explore the revolution of NewSpace with ISAE-SUPAERO's 3-week course. Learn about space access, launcher and rocket design, innovative technologies, and the future of green space.
- Coursera
- 6 hours 2 minutes
- On-Demand
- Free Online Course (Audit)
Our Place in the Universe

Explore the universe's mysteries with The University of Hong Kong's 4-week course. Learn about celestial patterns, historical astronomical theories, and use a unique e-learning app for real-time problem-solving.
- edX
- 4 weeks, 3-5 hours a week
- On-Demand
- Free Online Course (Audit)
Endless Universe: Beyond the Big Bang

Explore alternative cosmological models with Paul Steinhardt in this Master Class from Princeton University, challenging the traditional inflationary paradigm.
- World Science U
- On-Demand
- Free Online Course
CrashCourse
Astronomy by CrashCourse
6 reviews

This course starts with the astronomical observations we can make with the naked eye and expands out to cover the solar system, stars, galaxies, and the universe itself. The content is loosely based on an introductory university-level curriculum.
- YouTube
- 9 hours
- On-Demand
- Free Online Course
Moons of our Solar System
16 ratings at OpenLearn

In this free course, Moons of our Solar System, explore the many moons of our Solar System. Find out what makes them special. Should we send humans to our Moon again?
- OpenLearn
- 24 hours
- On-Demand
- Free Certificate
Question Reality: Cosmos
17 ratings at Coursera

Explore the concept of reality and the cosmos in this 3-week course by Dartmouth College. Journey from ancient philosophies to modern cosmology, learning about scientific methods, gravity, and light.
- Coursera
- 13 hours 13 minutes
- On-Demand
- Free Online Course (Audit)
Space Safety

Explore space safety with experts from the Technical University of Munich. Learn about space weather, debris, collision avoidance, cyber security, and space medicine in this 9-week course.
- Coursera
- 19 hours 22 minutes
- On-Demand
- Free Online Course (Audit)
Backyard Astronomy
855 ratings at Udemy

Explore the night sky from your backyard with this online course. Learn about celestial bodies, use star charts, understand telescopes, and enhance your stargazing experience.
- Udemy
- 1-2 hours
- On-Demand
- Paid Course
Astronomy for VCE Physics
470 ratings at Udemy

Learn the VCE Physics Astronomy course through instruction, simulations and your own observations of the night sky.
- Udemy
- 1 hour 11 minutes
- On-Demand
- Free Online Course
Basics of Astronomy

Improve your basic astronomy knowledge with this comprehensive 43-hour course, covering celestial navigation, solar system characteristics, galaxies, star qualities, and more.
- Study.com
- 1 day 19 hours 20 minutes
- On-Demand
- Paid Course
Chris Hadfield Teaches Space Exploration

Learn about space exploration from astronaut Chris Hadfield in this 8-hour course. Topics include rocket mechanics, astronaut training, ISS operations, and future Mars missions.
- MasterClass
- 7 hours 47 minutes
- On-Demand
- Free Trial Available
Astronomy with an online telescope
23 ratings at OpenLearn

This free course shows you how to navigate the night sky, and introduces the wide variety of objects it contains. You will develop a hands-on understanding of telescopic observations using the ...
- OpenLearn
- 24 hours
- On-Demand
- Free Certificate
The Moon
18 ratings at OpenLearn

As the only planetary body everyone is familiar with seeing in the sky, the Moon has long been an object of fascination and speculation. This free course will teach you about the nearest planetary ...
- OpenLearn
- 6 hours
- On-Demand
- Free Certificate
The restless Universe
6 ratings at OpenLearn

The restless Universe introduces you to major achievements and figures in the history of physics, from Copernicus to Einstein and beyond. The route from classical to quantum physics will be laid ...
- OpenLearn
- 12 hours
- On-Demand
- Free Certificate
The search for water on Mars
5 ratings at OpenLearn

The possibility of water on Mars has captured human imagination for over a century. In this free course, The Search for Water on Mars, find out more about how scientists have found evidence for ...
- OpenLearn
- 5 hours
- On-Demand
- Free Certificate

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