Skip to content
Skip to main content

About this free course

Download this course

Share this free course

In the night sky: Orion
In the night sky: Orion

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

core

The central very hot region of a star (such as the Sun) where nuclear reactions occur during the Main Sequence lifetime.

» Orion Glossary