r/Physics

The amateur hobby of humanity since the dawn of time and scientific study of celestial objects.

Reference questions answered here. Get the answers you are looking for! Please make sure to look over the community rules before posting.

Ask a science question, get a science answer.

This community is a place to share and discuss new scientific research. Read about the latest advances in astronomy, biology, medicine, physics, social science, and more. Find and submit new publications and popular science coverage of current research.

This is a place to ask specific, closed-ended, non divisive questions.

This subreddit is for discussion of mathematics. All posts and comments should be directly related to mathematics, including topics related to the practice, profession and community of mathematics.

The Portal for Public History. Please read the rules before participating, as we remove all comments which break the rules. Answers must be in-depth and comprehensive, or they will be removed.

The branch of astronomy concerned with the physical nature of stars and other celestial bodies, and the application of the laws and theories of physics to the interpretation of astronomical observations.

A community for chemists and those who love chemistry

For your astronomy-related questions and content!