What was the wavelength of maximum intensity for radiation from the gas of the big bang at the time of recombination? By what factor is that different from the wavelength of maximum intensity of the cosmic microwave background radiation observed now?

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: Give examples of baryonic matter.

A: In astronomy baryonic matter are those matter which are made up of protons neutrons and electrons.…

Q: Find the wavelength (in mm) of maximum intensity of the cosmic microwave background radiation…

A: According to big bang theory initially the universe was at very high energy means at very high…

Q: I'm having trouble understanding this.   Suppose we have a spaceship about the size of a typical…

A: The mass of the ship is M = 130 million kilograms = 1.3×108 kg The required velocity is 12 % of the…

Q: What is the total energy of all the radiation in the current Hubble Radius (Length)?  Assume H0=70…

A:

Q: What is your reflection about the big bang theory?

A: Big bang theory assumes that universe was a dense point initially. And then it started to expand…

Q: Since you are made mostly of water, you are very efficient at absorbing microwave photons. If you…

A: Given Since you are made mostly of water, you are very efficient at absorbing microwave photons. (a)…

Q: How much energy is released when a m- muon at rest decays into an electron and two neutrinos?…

A: As we know that,The energy released in a radioactive decay can be calculated using the mass defect…

Q: How does string theory attempt to unify quantum mechanics and general relativity?

A: String theory attempt to unify Quantum mechanics and general relativity

Q: Can I please ask your opinion on what you think of the idea of the Big Bang? How do you interpret it…

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Q: How might you relate the big bang to yourself as a physical entity? What elemental parts of your…

A: After Big Bang their is a very fast expansion of universe. In that state the energy and matter is…

Q: How much energy is released when a m- muon at rest decays into an electron and two neutrinos?…

A: From standard data, the rest mass energy of muon is Eμ=105.7 MeV rest mass energy of electron is…

Q: The present number density of electrons in the Universe is the same as that of protons, about 0.2…

A: The present number density of electrons = 0.2m-3. Long before the formation of microwave background,…

Q: What happened before the Big Bang?

A: The Answer is given below:

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: The diagram below shows a current carrying wire (1), with the direction of current flow…

A: We will first write an expression for Lorentz force on a current carrying wire. We then use it to…

Q: An electron jumps from n=3 to n=2 in a hydrogen atom in a distant galaxy, emitting light. If we…

A:

Q: According to the version of the Big Bang Theory without a Cosmological Constant (and without Dark…

A: Hubble's Law states that as the universe is expanding in all directions, the receding velocity of an…

Q: Which of the following is least reasonable regarding cosmic background radiation (CBR)? Group of…

A: (a) CBR corresponds to a solar temperature of about 6,000 degrees and implies that the Universe was…

Q: What do the results from the Wilkinson Microwave Anisotropy Probe (WMAP) observations tell…

A: The Wilkinson Microwave Anisotropy Probe, also called Microwave Anisotropy Probe.

Q: The Analysis of the Big Bang Theory.

A: Universe is the whole yonder which consists of many many miles of life both living and unliving. Its…

Q: How does the Hubble constant relate to the age of the universe?

A: Hubble constant is defined as the proportionality constant between velocity of galaxies far from us…

Q: Today we view the collisions between high-energy particles, why? please explain

A: we view the collisions between high-energy particles beacuse of the following reasons :-

Q: List all the quarks, leptons and bosons in the order of lowest mass to the highest. Particles with…

A: Order of Particles by Mass:Quarks: Up, Down, Charm, Strange, Top, BottomLeptons: Electron, Electron…

Q: If Ωmatter = 0.3, Ωvac = 0.7 and Temperature of Cosmic Microwave Background = 2.73 K, at what…

A: Given: Vacuum energy density, Ωvac=0.7Matter energy density, Ωmatter=0.3Temperature of Cosmic…

Q: What are the frequencies of two photons produced when a proton and antiproton annihilate each other…

A: Mass of electron=mass of antiproton =1.67×10-27kg=1amu Energy equivalent to 1amu=931MeV Energy…

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: Is there other evidence of the Big Bang besides the well-documented red shifts?

A: Introduction: The Big Bang model describes how the universe expanded from an initial state of high…

Q: Why don’t we notice length contraction in everyday life?

A: This is a question from relativity.  Length Contraction: This is the phenomenon in which a moving…

Q: What is meant by the critical density of the universe? Why is this quantity important to…

A: The critical density is the average density of matter necessary for the Universe's expansion to come…

Q: Where did the atoms that were the cause of the big bang originate from?

A: As the universe cooled, conditions became just right to give rise to the building blocks of matter –…

Q: Was the Big Bang an explosion? Explain your answer.

A: the Big Bang wasn't an explosion that destroyed things.