GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The “afterglow” of the energy from the origin of the universe that we see today.
A
Cosmic radiation
B
sunlight
C
Doppler effect
D
Cosmic explosions
Explanation: 

Detailed explanation-1: -The cosmic microwave background (CMB ) is a reverberation or afterglow left from when the universe was about 300, 000 years old. It was first discovered in 1964 as a ubiquitous faint noise in radio antennas.

Detailed explanation-2: -Cosmic radiation consists of high-energy charged particles, x-rays and gamma rays produced in space. Charged particles react with the earth’s atmosphere to produce secondary radiation which reaches the earth. Cosmic radiation is produced by the stars, including our own sun.

Detailed explanation-3: -It is the residual heat of creation–the afterglow of the big bang–streaming through space these last 14 billion years like the heat from a sun-warmed rock, reradiated at night.

There is 1 question to complete.