Physics Basics

Overview

This topic explains the core physics behind astronomy — gravity, light, energy, and motion — at an accessible level, so the rest of the site's science is easier to follow.

This is a foundation page. We are expanding it with structured, sourced content. Planned material includes:

• Gravity & orbits
• Light & the spectrum
• Energy & matter
• Spacetime basics

Frequently asked

What is Physics Basics?

This topic explains the core physics behind astronomy — gravity, light, energy, and motion — at an accessible level, so the rest of the site's science is easier to follow.

What will I find under Physics Basics?

We are building this topic on a foundation page. Planned material includes: Gravity & orbits, Light & the spectrum, Energy & matter, Spacetime basics.