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Astronomy Courses and Certifications

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

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    • Coursera
    • 31 hours
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    • edX
    • 9 weeks, 2-4 hours a week
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    • Coursera
    • 6-7 hours
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    • Free Online Course (Audit)
    • Coursera
    • 7 hours 10 minutes
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    • Free Online Course (Audit)
    • Coursera
    • 23 hours
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    • Free Online Course (Audit)
    • edX
    • 15 weeks, 3-5 hours a week
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    • Free Online Course (Audit)
    • Coursera
    • 26 hours
    • On-Demand
    • Free Online Course (Audit)

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