Speed of Light Facts, Information, History & Definition

The speed of light’s exact value is defined as 299.792.458 meters per second or approximately 300.000 km / 186.000 mi per second in a vacuum.

Overview

Unit 8 The Study of Light. - ppt download

Light Definition, Properties, Physics, Characteristics, Types

Traveling Light Speed - Online Star Register

Speed of Light

The Constant Speed of Light - A very strange constant

Our expanding universe: Age, history & other facts

Light Waves, Parts, Types & Applications - Lesson

Why is the speed of light the speed of light?