The first radio telescope was built in the 1930's by
A) Karl Jansky
B) George Ellery Hale
C) Edwin Hubble
D) a group of Italian astronomers working with Galileo
E) Heinrich Hertz

Question

Quizplus · Accepted Answer

The first radio telescope was built in the 1930's by Karl Jansky, an American physicist and radio engineer, who was studying the sources of static interference in transatlantic radio communications. He discovered that the interference was coming from radio waves originating from the Milky Way, and built a radio telescope to study them.

The First Radio Telescope Was Built in the 1930's by