Courses

What does it truly mean to “see” the universe? This course invites you to think like an observational astronomer — from everyday intuition to physical reasoning grounded in light, matter, and distance. We explore astrophysics not as trivia, but as a coherent system built from first principles and guided by real cosmic clues.

Data cleaning is a serious business – you’ll typically spend 80% of your analysis time cleaning data! In this course you’ll learn how to clean your data in a fraction of the time. The steps you’ll learn are very simple to follow, but are extremely effective, so you’ll know that you’re getting the best start possible, saving you weeks of misery!

Data cleaning is a serious business – you’ll typically spend 80% of your analysis time cleaning data! In this course you’ll learn how to clean your data in a fraction of the time. The steps you’ll learn are very simple to follow, but are extremely effective, so you’ll know that you’re getting the best start possible, saving you weeks of misery!