World Science Scholars
1.3 Justin Khoury Q&A
office hours

Office Hours provide a series of questions and video answers that relate to the concepts covered in a given module or extend the lecture material for those who want to go deeper. Click on a question to play the corresponding video answer.

What is dark matter?
What is the evidence for dark matter?
What are galaxy rotation curves and what do they tell us about dark matter?
What is cold dark matter?
What is the Lambda-CDM model?

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