Origin and Evolution of the Universe Answers

Which statements describe some of the original ideas proposed about the universe during the big bang? Check all that apply.The universe exploded.The universe was opaque.The universe was one second old.The universe was very hot and dense.The universe expanded from a single point.

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Which were predictions based on the big bang theory? Select all that apply.leftover radiation exists from the big banglow-mass stars become white dwarfshigh-mass stars become neutron starshydrogen and helium exist in abundancethe universe is still expanding

Describe three pieces of evidence that support the big bang theory.

A star is observed to have a temperature of 3000 K and a luminosity of 105.

Formation of a protostar:

What did you include in your response? Check all that apply.

What did you include in your response? Check all that apply.

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Formation of a black hole:

Formation of a white dwarf:

Formation of a red giant star:

Formation of a main sequence star:

⇒ helium

Order the events to show the evolution of the universe after the big bang.

Arcturus is a star whose surface temperature is 4290 K.

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Identify the type of star that goes through these steps in their life cycles.