What do you call the remains of energy created after the Big Bang expansion?
A. Gravitational wave
B. Blackbody radiation
C. Cosmic microwave background radiation
D. Magnetic field
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What do you call the remains of energy created after the Big Bang expansion?
A. Gravitational wave
B. Blackbody radiation
C. Cosmic microwave background radiation
D. Magnetic field
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Answer:
B. Blackbody radiation
Explanation:
Most of the universe is made up of Dark Energy, the mysterious force that that drives the accelerating expansion of the universe. The next largest ingredient is Dark Matter, which only interacts with the rest if the universe through its gravity.
In a dark room, a black body at room temperature appears black because most of the energy it radiates is in the infrared spectrum and cannot be perceived by the human eye.
black-body radiation is used as a first approximation for the energy they emit.