You can see light from the moon, distant stars, and galaxies because light is an electromagnetic wave.
Electromagnetic waves are waves that can travel through matter or through empty space.
How do electromagnetic waves travel?
Electromagnetic waves are waves which can travel through the vacuum of outer space. This vibration creates a wave which has both an electric and a magnetic component. An electromagnetic wave transports its energy through a vacuum at a speed of 3.00 x 108 m/s (a speed value commonly represented by the symbol c).
Are electromagnetic waves matter?
An electromagnetic wave is a transverse wave that can travel across space as well as through matter. When it travels through space, it doesn’t lose energy to a medium as a mechanical wave does. When electromagnetic waves strike matter, they may be reflected, refracted, or diffracted.
Can radio waves travel through matter?
Electromagnetic waves are waves that can travel through a vacuum (empty space). They don’t need a medium or matter. They travel through electrical and magnetic fields that are generated by charged particles. Examples of electromagnetic waves include light, microwaves, radio waves, and X-rays.
What happens when electromagnetic waves interact with matter?
Summary. Three ways that waves may interact with matter are reflection, refraction, and diffraction. Reflection occurs when waves bounce back from a surface that they cannot pass through. Refraction occurs when waves bend as they enter a new medium at an angle and start traveling at a different speed.