Explain Fermi Paradox?
Q: what is time-space distanciation and compression? in short words.
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Q: The cosmic microwave background consists of: huge clouds of dark matter interspersed with equally…
A: Cosmic microwave background also known relic radiation. Cosmic microwave background is kind of…
Q: Assume a flat FRW universe, dominated by radiation throughout its history. Calculate the physical,…
A: The objective of the question is to calculate the physical, cosmological horizon size at a given…
Q: State the problems of the Hot Big Bang model in cosmology, and briefly explain how inflation solves…
A: Given the question; we need to state the problems of the Hot Big Bang model in cosmology and explain…
Q: We didn't specifically discuss this in class but the first stars to form from the cosmic microwave…
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Q: How do physicists measure the expansion rate of the universe?
A: How do physicists measure the expansion rate of the universe?
Q: What would the universe look like if there was complete cemetery between matter and antimatter?
A: What would the universe look like if there was complete cemetery between matter and antimatter?
Q: Is antimatter, dark matter, dark energy, and degenerate matter all t
A: Antimatter, dark matter ,dark energy and degenerate matter are not all the same thin. Antimatter:…
Q: The Sloan Digital Sky Survey O searches to see whether extra-terrestrial civilizations are sending…
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Q: Is there any difference between antimatter, dark-matter, dark energy and degenerate matter?
A: Antimatter: It is like a simple matter. It also reflects the light. For example, positron is the…
Q: Calculate the age of the universe when its temperature was 10¹¹ K.
A: The universe was once part of a singularity of very high density and temperature. All the forces and…
Q: Explain the term Gravitational lensing?
A: Gravitational lensing is the term that is used to describe the bending and distortion in the path of…
Q: MODULE: From the Universe to the AtomTOPIC: Origins of the Elements (II)QUESTION: Describe the…
A: Nuclear fusion is the process which lighter nuclei combine to form larger nuclei. It is a…
Q: Define special relativity and give an example
A: Special relativity is a theory of physics developed by Albert Einstein in 1905. It describes the…
Q: What is the only thing that remains constant all over the universe
A: A constant is a quantity that is conserved with time. And and Invariant quantity is something that…
Q: WR 2n/w The power (P) supplied to an electric circuit is given by P = i? dt. If i = V * I sin(wt),I…
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Q: What were the predictions of George Gamow about Big bang?
A: George Gamow was the pioneer in the field of Big Bang theory. His works involved the use of the non…
Q: Where did all the antimatter go?
A: Anti-particle came into light in the 20th century when famous physicist Paul Dirac was trying to…
Q: When do cosmologists think the universe began?
A: We have fundamental forces in nature. They are gravitational, electromagnetic, weak and strong…
Q: ne cosmic "dark ages" represent that time in the history of the universe hen:
A: The question can be solved as follows
Q: Most of the stars we can see with the unaided eye in our night sky are hundreds or even thousands of…
A: The question is asking us to comment on the feasibility and practicality of visiting, communicating…
Q: Why is the cosmic microwave background radiation evidence for a hot Big Bang?
A: The cosmic microwave background radiation (CMBR), is a high wavelength electromagnetic radiation,…
Q: What is the Big Bang? What evidence do we see in the Universe that everything-which-exists exploded…
A: Bigbang - It is presumably more like a balloon being gust up. A balloon begins small and dilates…
Q: Describe the Big Bang theory. What evidence supports this theory, and what are its implications for…
A: The Big Bang theory is the leading cosmological model that explains the origin and evolution of the…
Q: Calculate the age of the universe when the temperature was 10¹ K.
A: The age of the universe when the temperature was 1013 K. Given, TemperatureT=1013 K
Q: State And Explain Hubbles Law?
A: Hubble’s law states that the distance to a galaxy is proportional to its recession velocity.…
Q: Why couldn't atomic nuclei exist when the age of the universe was less than 2 minutes?
A: As per Hubble's theory, the universe is expanding, this means at some point in time there were…
Q: What is the twin paradox?
A: the twin paradox is a thought experiment in special relativity involving identical twins, one of…
Q: Hello from 2042! (A letter from students’ future selves, narrating their lives 20 years after…
A: The letter that you have been asked is written as follows:Dear 2023 Graduates,Greetings from the…
Q: Explain why the universe cannot be older than the Hubble time.
A: Given: To explain universe is not older than the Hubble time as,
Q: Explain how astronomers determined that the universe is expanding.
A: In universe there are millions of stars. These stars are always moving towards Earth or away from…
Q: If the universe had a density equal to its estimated critical density of 9= 10-30 g/cm3, and if it…
A: Given Critical density ρc = 9×10-30 g/cm3 Mass (M) = 2.0 × 1030 kg
Q: What is a super force?
A: Super force is defined as a single force of which electromagnetism, the weak force, the strong…
Explain Fermi Paradox?
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