Question

Seen through a traditional optical telescope, the space between stars and galaxies is pitch black. But, with a radio telescope, we detect a faint background glow, almost exactly the same in all directions, that is not associated with any star, galaxy, or other object. This phenomenon, which provides evidence for the Big Bang theory, is called the

Answer 1

Cosmic Microwave Background Radiation.

Step-by-step explanation:

CMBR (Cosmic Microwave Background Radiation) provides an evidence for the Big Bang theory. Cosmic Microwave Background Radiation has been detected from all directions in the sky. It is considered to be remnant radiation from early stages of the universe. The temperature of the background is about 3 K.