CHILD DEVELOPMENT PEDAGOGY

GROWTH DEVELOPMENT CHILD

SUMMATIVE ASSESSMENT

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 microwave radiation
B
sunlight
C
Doppler effect
D
Cosmic explosions
Explanation: 

Detailed explanation-1: -The Cosmic Microwave Background (CMB) is the cooled remnant of the first light that could ever travel freely throughout the Universe. This ‘fossil’ radiation, the furthest that any telescope can see, was released soon after the ‘Big Bang’. Scientists consider it as an echo or ‘shockwave’ of the Big Bang.

Detailed explanation-2: -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-3: -The afterglow started out as a white-hot glow, but during 13.8 billion years, as the universe expanded by 1, 100 times, it cooled. In a testament to its sensitivity, the Planck telescope measured it to be less than 3 degrees Celsius above absolute zero.

Detailed explanation-4: -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.

Detailed explanation-5: -It’s sometimes known as the “afterglow of creation” because it was the first light to be produced when matter began to form following the Big Bang some 13.7 billion years ago. Now scientists are close to producing the best-ever image of this fossilised relic from the dawn of time.

There is 1 question to complete.