Categories
Watching

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?

#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?, #thespectatorpost #news #today #trending

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

Hydrogen, helium, and trace amounts of lithium, beryllium, and boron 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?

Astronomy final questions STUDY Flashcards Learn Write Spell TestNew stuff! PLAY Match Gravity Spectral lines from Galaxy B are redshifted from their rest wavelengths twice as much as the spectral lines from Galaxy A. According to Hubble’s law, what can you say about their approximate relative distances? Click the card to see the definition šŸ‘†

astronomy chapter 23 STUDY Flashcards Learn Write Spell Test PLAY Match Gravity which of the following statements best explains what we mean when we say that the electroweak and strong forces “froze out” at 10^-38 seconds after the big bang? Click the card to see the definition šŸ‘† the two forces first became distinct at this time Click again to see the term šŸ‘†

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 years after the Big Bang during the formation of the cosmic background radiation.

In studies that seek to measure properties of the atmospheres of extrasolar planets, astronomers seek planets that were formed relatively recently. The reason for this is that recently formed planet: Are relatively hot and thus emit more light and can be studied better. Where does most star formation occur in the Milky Way today?

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. YOU MIGHT ALSO LIKE… 43 terms Astronomy Final CH 13 53 terms Astro 120 12 terms CH 23 Concepts Review 12 terms Chapter 23: Concepts Review OTHER SETS BY THIS CREATOR 85 terms

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.

A) It is thought to harbor a black hole of about 4 million solar masses. B) It is a source of bright radio emission. C) It is by far the brightest source of visible light lying in the direction of the galactic center. D) It is a source of X-ray emission that we have observed with telescopes in space.

Leave a Reply

Your email address will not be published. Required fields are marked *