Origin and Evolution of the Universe

Question 1

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.

Revolt · Accepted Answer

The universe was opaque.; The universe was very hot and dense.; The universe expanded from a single point.

Question 2

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

Revolt · Accepted Answer

A process called nucleosynthesis formed the first hydrogen and helium atoms in the universe.; When the protons and neutrons combined, hydrogen nuclei were formed.; Hydrogen nuclei fused with neutrons, forming nuclei of deuterium.; Protons combined with deuterium, forming helium nuclei.

Question 3

Formation of a white dwarf:

Revolt · Accepted Answer

low-mass stars

Question 4

Formation of a red giant star:

Revolt · Accepted Answer

low-mass stars

Question 5

Formation of a main sequence star:

Revolt · Accepted Answer

both low- and high-mass stars

Question 6

⇒ helium

Revolt · Accepted Answer

107562

Question 7

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

Revolt · Accepted Answer

✔ 1; Inflation:: 1; Nucleosynthesis:: 4; Formation of first stars:: 5; Formation of subatomic particles:: 3; Separation of last two fundamental forces:: 2

Question 8

Arcturus is a star whose surface temperature is 4290 K.

Revolt · Accepted Answer

107570; 0.8

Question 9

Question 107571

Revolt · Accepted Answer

0.8

Question 10

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

Revolt · Accepted Answer

Formation of a black hole:: high-mass stars; Formation of a white dwarf:: low-mass stars; Formation of a red giant star:: low-mass stars; Formation of a main sequence star:: both low- and high-mass stars

Origin and Evolution of the Universe Answers

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