1. Which of these is true about the Big Bang model? a The singularity is an established, well-defined part of the model. b Cosmic expansion stopped at some point in time. c Part of its proof is the amounts of H and He we have in the universe today d The Big Bang was a big explosion that threw matter into many different directions

A: As per the Theory of black hole, When a big giant star is dead, The star Formed in to black hole.…

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A: Concept and Principle: CMB or Cosmic Microwave Background radiations are the electromagnetic…

A: The Doppler effect is the change in frequency or wavelength of a wave due to the relative motion of…

A: Given data: Redshift z=4.89. The recessional velocity is given as,  v=cz+12-1z+12+1 Here, c is the…

A: To determine: The correct option.

A: ANS: D. ancient blackbody radiation from the extremely hot and dense conditions of the early…

A: Answer: (b) Big Bang Nucleosynthesis

A: In stars higher mass leads to higher compression. Which results higher Central density and…

A: Dark Matter is an unknown matter which is not visible. The reason behind its invisibility is, it…

A: The force that is carried by the field of virtual astronomical particles in the quantum field is…

A: If the universe is closed and finite, then the final fate of the universe will be very cold and of…

A: Note: As per the policy, only the first question will be solved. If you want the solution for other…

A: The thermal relic abundance of a particle species is determined by the balance between its…

A: The first evidence for dark energy came in 1998 two teams of astronomers measured light coming from…

A: Cesar reads about the big bang theory, which explains that the universe expanded as theresult of an…

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A: Required : Which of the following is most likely to yield evidence to support one of the models of…

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A: What is the upper limit of a brown dwarf’s size.

A: Power of a star (P) = 2.5×1030 Watt distance of planet (d) = 500 million km