Radio waves have the smallest energy but the longest wavelength it is used for mostly radios, cell phone and wireless internet

In 1873 James Maxwell showed that electromagnetic waves could spread through space. Heinrich Rudolf Hertz made the first demonstration of transmission of radio waves through free space in 1887

Astronomers can use radio waves to magnify meteors, stars,Ect.

RADIO WAVES

Astronomers also use radio waves to study the sun and solar flares

Astronomers also use radio waves o study Jupiter's ionosphere

ASTRONOMERS USES:

In New Mexico The National Radio Astronomy Observatory's Very Large Array (VLA) radio telescope

HUMAN USES:

Radio waves can be used for fixed and mobile radio and broadcasting. They can also be used in other navigation systems, satellite communication and computer network as well as transfer information through space.