We may earn an affiliate commission when you visit our partners.

Galaxies

Save
May 1, 2024 Updated May 10, 2025 18 minute read

Galaxies are vast cosmic islands, magnificent collections of stars, gas, dust, and dark matter, all bound together by gravity. They are the fundamental building blocks of the universe on the largest scales, each potentially housing billions or even trillions of stars, and often a supermassive black hole at their center. Understanding galaxies is key to comprehending the universe's history, its current structure, and its ultimate fate. From the intricate spiral arms of majestic systems to the diffuse glow of ancient ellipticals, the study of galaxies offers a window into the grandest scales of existence.

Path to Galaxies

Take the first step.
We've curated 13 courses to help you on your path to Galaxies. Use these to develop your skills, build background knowledge, and put what you learn to practice.
Sorted from most relevant to least relevant:

Share

Help others find this page about Galaxies: by sharing it with your friends and followers:

Reading list

We've selected ten books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Galaxies.
This textbook provides a comprehensive overview of advanced galactic astronomy, covering the Milky Way galaxy, other galaxies, and the universe as a whole. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook provides a comprehensive overview of the Milky Way galaxy, covering its structure, dynamics, and evolution. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook provides a comprehensive overview of galaxies, covering their structure, formation, evolution, and classification. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook provides a comprehensive overview of the physics of galaxies, covering their structure, dynamics, and evolution. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook provides a comprehensive overview of active galactic nuclei, covering their structure, dynamics, and evolution. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook provides a comprehensive overview of galaxy clusters, covering their formation, evolution, and structure. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook provides a comprehensive overview of gravitational lensing, covering its theory, applications, and observations. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
This textbook introduces the fundamental concepts of galaxies and cosmology, making it suitable for undergraduate students with a basic understanding of physics and mathematics.
This textbook provides a comprehensive overview of cosmology, including the formation and evolution of galaxies. It is suitable for advanced undergraduate and graduate students in astronomy and astrophysics.
Table of Contents
Our mission

OpenCourser helps millions of learners each year. People visit us to learn workspace skills, ace their exams, and nurture their curiosity.

Our extensive catalog contains over 50,000 courses and twice as many books. Browse by search, by topic, or even by career interests. We'll match you to the right resources quickly.

Find this site helpful? Tell a friend about us.

Affiliate disclosure

We're supported by our community of learners. When you purchase or subscribe to courses and programs or purchase books, we may earn a commission from our partners.

Your purchases help us maintain our catalog and keep our servers humming without ads.

Thank you for supporting OpenCourser.

© 2016 - 2025 OpenCourser