From curiosity to practice
Find your way into the night.
Choose a question, follow a short sequence of concepts, then put the ideas to work. Take each track at your own pace.
01 / 4 lessons
Plan a night under the stars
Connect sky brightness, target altitude and observing conditions before building a target list.
Follow this track →02 / 4 lessonsUnderstand the light you collect
Follow an image from telescope optics to photon noise and stacking.
Follow this track →03 / 5 lessonsUnderstand worlds in motion
Move from gravity and elliptical orbits to the changing viewpoint of a planet watcher.
Follow this track →These are suggested reading routes. Each lesson still links to its prerequisites and related concepts. There are no scores or automatic completion records.