Answer:
Yes
Explanation:
There are so many planets out there that there must be habitable planets if not in our galaxy but the Universe.
Although the chances of advanced life are slim, small primitive life like microbes or sea life may still exist.
Yes, that's correct. The note "A" (which is used to tune the other strings of the guitar) corresponds to a frequency of 440 Hz.
Big bang happened about 13.7 billion years ago in our universe.
<h3>
Describe the beginning of the universe according to the big bang theory?</h3>
According to the big bang theory, about 13.7 billion years ago, an explosive expansion began, expanding our universe outwards faster than the speed of light.
<h3>Describe the future of the universe according to the flat model?</h3>
According to the flat model, the universe is infinite and will continue to expand forever because the universe is expanding.
<h3>What is cosmic background radiation? </h3>
Cosmic background radiation is a weak radio-frequency radiation that is traveling through outer space in every direction. It is the residual radiation of the big bang, when the universe was very hot.
<h3>How do observations of the cosmic background radiation provide evidence to support the big bang theory? </h3>
The Big Bang theory predicts that the early universe was a very hot place and that as it expands, the gas within it cools. Thus the universe has all over radiation which is called the “cosmic microwave background".
Learn more about big bang here: brainly.com/question/10865002
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Between centre of curvature and principal focus.
