Online Astronomy

AST 111 - Introduction to Solar Systems Astronomy

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Have you ever looked up at the night sky and marveled at the vastness and complexity of space? You are invited to take a deeper dive into the mind-blowing world of astronomy. At the end of this course, you will walk away with the knowledge to answer the following questions:

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Course prerequisites and requirements

To be successful in this course, we recommend English language fluency and computer literacy. We also encourage you to make sure your laptop or desktop computer meets the technical requirements.

MAT 117 College Algebra is strongly recommended as a prerequisite for success in this course.

Quick facts

  • Credits: 4
  • Length: 8 weeks
  • Cost: $25 + $400

What you’ll learn

  • Describe the origins, structure, contents, and evolution of our solar system
  • Use algebra and order-of-magnitude estimates to obtain quantitative, scientific results
  • Give clear explanations of physical phenomena

What to expect in class

Video lectures, readings, labs, outdoor activities, homework, design project, discussions, optional live meetings with the instructor, quizzes, and final exam

Exams and grading


Content Mastery (14)


Design Project


Labs (7)


Outdoor Activities (3)


Quizzes (3)


Homework (14)


Final Exam


This course appears on your transcript identically to how it appears on the transcript of an enrolled ASU student who has taken the course on one of ASU’s campuses.

This course includes a lab and satisfies 4 credit hours toward the Natural Science - Quantitative (SQ) General Studies requirement at Arizona State University. It is strongly encouraged that you consult with your institution of choice to determine how these credits will be applied to their degree requirements prior to transferring your credit.

Faculty and course staff




Professor & Astrophysicist,

School of Earth and Space Exploration

Arizona State University

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Why take ASU Universal Learner Courses

  1. Credit you receive is from a regionally accredited university
  2. Your credit is highly transferable
  3. You only pay the $400 course cost if you pass

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