Main

Companion spaced-repetition flashcards collection linked to the essential concepts in this OpenStax book.

Main

"iDoRecall is hands down the most powerful and easy-to-use retrieval practice tool on the market-which means it is a world leader in innovative online educational tools."

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Astronomy

Complete flashcards collection for the essential concepts in this textbook
Bassem Sabra, Ph.D.
Group Creator and maintainer:
Bassem Sabra, Ph.D.
Professor of Physics & Astronomy
Notre Dame University (Lebanon)

Master hundreds of key concepts from this textbook for free in a fraction of the time with support from Professor Sabra and fellow students

This group contains content from Principles of Physics by OpenStax. Included are hundreds of spaced-repetition flashcards linked to specific relevant locations in the textbook. We call these unique flashcards "Recalls."

We recommend that you read this fantastic free book to learn astronomy and then use iDoRecall's flashcards to remember what you've learned. When you practice memory retrieval, if you struggle to recall the answer, click the source link and the textbook will open at the precise relevant location so that you can refresh your memory in the context where you learned it. We invite you to join our dedicated Astronomy Facebook group.

Create a free iDoRecall account and start using these materials today.

This book is licensed by OpenStax under the Creative Commons CC-BY 4.0 license. Access the book for free at: openstax.org/subjects.