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Why did the era of nuclei end when the universe was about 380,000 years old?


Why did the era of nuclei end when the universe was about 380,000 years old?

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According to their model, the acceleration of the universe could rapidly end within the next 65 million years — then, within 100 million years, the universe could stop expanding altogether, and instead it could enter an era of slow contraction that ends.

Why did the era of nuclei end when the universe was about 380,000 years old? The universe had expanded and cooled enough for stable, neutral atoms to form. Why do we think tiny quantum ripples should have been present in the very early universe?

Why did the era of nuclei end when the universe was about 380,000 years old? The universe had expanded and cooled enough for stable, neutral atoms to form. … Some people wish that we lived in a recollapsing universe that would eventually stop expanding and start contracting.

why did the era of nuclei end when the universe was about 300,000 years old? the universe had expanded and cooled to a temperature of about 3,000 K, cool enough for stable, neutral atoms to form … it is thought to be radiation that began its journey to our telescope when the universe was about 380,000 years old.

Why did the era of nuclei end when the universe was about 380,000 years old? The universe had expanded and cooled to a temperature of about 3,000 K, cool enough for stable, neutral atoms to form. Evidence that the cosmic background radiation really is the remnant of a Big Bang comes from predicting characteristics of remnant radiation

Why did the era of nuclei end when the universe was about 380,000 years old? The universe had expanded and cooled enough for stable, neutral atoms to form. … You are in the universe about 380,000 year after the Big Bang during the formation of the cosmic background radiation.

Why did the era of nuclei end when the universe was about 380,000 years old? A. All the free particles had combined to form the nuclei of atoms. B. The nucleosynthesis era that produced the nuclei heavier than helium ended.

Why did the era of nuclei end when the universe was about 380,000 years old? The universe had expanded and cooled enough for stable, neutral atoms to form. Which event in the history of the universe happened last? Neutral atoms formed.

17) Why did the era of nuclei end when the universe was about 300,000 years old? A) All the free particles had combined to form the nuclei of atoms. B) The universe had expanded and cooled to a temperature of about 3,000 K, cool enough for stable, neutral atoms to form.

17) Why did the era of nuclei end when the universe was about 300,000 years old? A) All the free particles had combined to form the nuclei of atoms. B) The universe had expanded and cooled to a temperature of about 3,000 K, cool enough for stable, neutral atoms to form.

42) Why did the era of nuclei end when the universe was about 380,000 years old? A) Photons were finally able to escape the plasma of the early universe and were no longer available to produce hydrogen and helium nuclei. B) Atomic nuclei were finally able to escape the plasma of the early universe.

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