Cosmology is the branch of science concerned with the ____________ a) Formation of Planets b) Formation of Stars c) Formation of Universe d) Formation of Black holes

Q: What do you mean by leptons?

A: Leptons are subatomic particles that have half spin. They respond to the gravitational force, weak…

Q: Most of the helium of the universe was produced __________ a) In stars b) In quasars c) At the…

A: To find: Most of the helium of the universe was produced

Q: Family Ages 5) Shoe Size Age of Child a) Pos./ Neg./Cluster/N.A b) Linear/Non-Linear c) Strong/Weak…

A:

Q: Scientific models are often built in stages or layers, starting with a single idea. Which idea…

A: The Big Bang is a cosmological model of the observable universe that describes how the cosmos…

Q: What has occurred after the Big Bang?     Objects in the universe have reached a critical density.…

A: The big bang is how astronomers describe the way the universe started. It is the vision that the…

Q: The expansion age of the universe is about _________ a) 1 billion years b) 10 billion years c)…

A: To find: The expansion age of the universe is about

Q: 17) In an accelerating Universe, the scale factor a) grows at an ever-decreasing rate over time. b)…

A: The scaling factor, represented by a(t), tells us to what extent our universe has expanded. Now if…

Q: What are your opinions on the theory of the big bang and if it is true?

A: Given: For the most part, it says that the universe as we know it began as an infinitely hot and…

Q: Planets are: A. luminous heavenly bodies revolving around a star B. non-luminous heavenly bodies C.…

A: As the planets are illuminated by the light from any star such as the sun around which all the…

Q: How much of the universe appears to be the normal ordinary matter? Group of answer choices 50% 95%…

A: CONCEPT:   Among the whole universe, only a small part is visible and the remaining part is…

Q: How can physics help us gain a greater understanding of the interconnected ness of everything in the…

A: The ness interconnection of the universe can be understand with the help of physics. The physics…

Q: is "the idea that a complete description of the universe at any time-fifty years ago, shortly after…

A: Step 1: The answer is: Determinism Step 2: Explanation: In physics, determinism means that the state…

Q: Which of the following predictions of the Big Bang indicates that the universe now is around 2.73…

A: The cosmic microwave background radiation. As a result of the expansion of the Universe, it was…

Q: Hubble's Law Constant provides the following information about the observable universe: galaxies…

A: Hubble's law constant, often denoted as H₀ provides an estimate of the current rate of expansion of…

Q: The cluster of galaxies which is farthest from the Earth is __________ a) Abel 2218 b) Milky way…

A: A

Q: 1. Explain what has happened to the number of elements in the universe over time (beginning with the…

A: The entire cosmic system of matter and energy, of which Earth and its inhabitants are a part.…

Q: Describe the purpose of the formula below. Then create a question about the universe that can be…

A: Given :        z = ∆λλ = vcQuestions to answer :  a) Describe the purpose of the formula.  b) Create…

Q: Estimate the temperature of the universe when it was approximately 1 minutes old

A: Our universe is thought to be formed from a singularity of infinite density and temperature. It…

Q: What causes galaxies, stars, and solar systems to form? * A) Visible matter and/or dark matter…

A: Answer B) Visible matter and/or dark matter create a strong gravitational force to form these groups…

Q: What are your thoughts on the hypothesis of the big bang?

A: It is required to discuss the big bang theory.

Q: Which statement below does not fit the model of the big bang and the subsequent changes in the…

A:

Q: Helium is common element in the Universe. True/False

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: If the forces acting on a moving object are balanced, what will the object do? If the forces acting…

A: Force is measured in Newton(N)

Q: The rate of expansion of the universe is __________ a) Decelerating b) Accelerating c) Constant…

A: B

Q: At the point when the weak and electromagnetic forces separated O stars were formed O quarks fused…

A: PARTICLE PHYSICS

Q: About how long after the Big Bang singularity did nuclei such as deuterium and helium-4 form? Group…

A: We know that at the time of the Big Bang, the plasma was so dense and hot that nucleons could not…

Q: Most of our universe is now thought to be made from Dark energy Dark matter Normal matter O…

A: Universe in which we live is made of different matters and energy.  After the Hubble gave the theory…

Q: After the Big Bang the Universe expanded and cooled. What was the temperature of the Universe when…

A: All of the universe's matter and energy were once concentrated in a singularity with infinite…

Q: One of the Weasley twins (Fred) takes a ride in a space ship traveling at a very high speed to a…

A:

Q: What is the concept of dark matter, and what evidence suggests its existence?

A: Introduction:The predictions of the general theory of relativity fall short in explaining the…