Approximately How Long Did the Era of Nucleosynthesis Last

One of the biggest puzzles is what occurred during the Planck era. Hydrogen and helium and trace amounts of lithium beryllium and boron.

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The instant after the Universe began.

. What kinds of atomic nuclei formed during thenucleosynthesis era. The Big Bang Nucleosynthesis theory predicts that roughly 25 the mass of the Universe consists of Helium. C rapid changes in the luminosity of the galaxy nucleus.

Approximately how long did the era of nucleosynthesis last. 5 What was the significance of the end of the era of nucleosynthesis when the universe was about 5 minutes old. A The universe had expanded and cooled enough for stable neutral atoms to form.

B We can observe spectra from this era to determine what the primordial mix of the elements was at the beginning of the universe. Approximately how long did the era of nucleosynthesis last. Approximately how long did the era of Big Bang nucleosynthesis last.

When the era was over about 25 of the mass of the universe had fused to form helium and the other 75 stayed hydrogen. 16 Why is the era of nucleosynthesis so important in determining the chemical composition of the universe. To date physicists have investigated the behavior of matter and energy at temperatures as high as those that existed in the universe as far back as ________ after the Big Bang.

The four fundamental forces we observe today became distinct after the era. A All the elements except hydrogen were produced after the era of nucleosynthesis. A All the elements except hydrogen were produced after the era of nucleosynthesis.

4 Why did the era of nuclei end when the universe was about 380 00 years old. A The universe was too small and needed to grow quickly. It also predicts about 001 deuterium and even smaller quantities of lithium.

D 60 Why did the era of nuclei end when the universe was about 380000 years old. B only helium. Except for the small amount of matter produced later by stars the chemical composition of the.

Approximately how long did the nucleosynthesis era last. C 5 seconds. C hydrogen and helium and trace amounts of deuterium and lithium.

Why is the era of nucleosynthesis so important in determining the chemical composition of the universe. Why might inflation have occurred at the end of the GUT era. C 59 Approximately how long did the nucleosynthesis era last.

Why is the era of nucleosynthesis so important in determining the chemical composition of the universe. At last you are in a place where. A 10-10 second.

3 Why did the era of nucleosynthesis end. 14 Approximately how long did the era of nucleosynthesis last. Approximately how long did the era of nucleosynthesis last.

Hydrogen helium and trace amounts of lithium berylliumand boron. Asked Sep 24 2016 in Physics Space Science by Synack. In physical cosmology Big Bang nucleosynthesis or primordial nucleosynthesis refers to the production of nuclei other than H-1 the.

Why Planck era is important. Approximately how long after the Big Bang did the era of nucleosynthesis end marking the time when the basic chemical composition of the universe was determined. A 10-10 second B 0001 second C 5 seconds D 5 minutes.

A only hydrogen. Why did the era of nuclei end when the universe was about 300000 years old. Approximately how long did the nucleosynthesis era last.

D the discovery of powerful jets coming from a compact core. How long after the Big Bang was the Planck time before which our current theories are completely unable to describe conditions in the universe. 2 What happened to quarks in the particle era.

The Universe also reached a point of critical density. Approximately how long did the era of nucleosynthesis last. This was an extremely short time span.

The important point is that the prediction depends critically on the density of baryons ie neutrons and protons at the time of nucleosynthesis. Approximately how long after the Big Bang did the era of nucleosynthesis end marking the time when the basic chemical composition of the universe was determined. D 15 What kinds of atomic nuclei formed during the era of nucleosynthesis.

B 0001 second. Approximately how long did the nucleosynthesis era last. What kinds of atomic nuclei formed during the era of nucleosynthesis.

A 5 seconds B 5 years C 0001 second D 5 minutes. The chemical composition of the universe is the same now as at the end of the era of nucleosynthesis. The era of nucleosynthesis lasted for almost exactly 3 minutes 3 minutes minus 0001 second.

B quasars emit approximately equal power at all wavelengths from infrared to gamma rays. A 10 10 seconds B 0001 seconds C 5 seconds D 5 minutes E 5 years Answer. A very high speed orbital motions around galactic nuclei.

D 5 minutes. Asked Sep 23 2016 in Physics Space Science by Kathryn. Approximately how long did the era of nucleosynthesis last.

Approximately how long did the nucleosynthesis era last. The predominance of matter over antimatter and the large scale structure of galaxies. We can study the processes that occurred during the era of nucleosynthesis to determine how most of the.

What are the two key observational facts that led to widespread acceptance of the Big Bang model. During this era conditions in the universe were like the inside of a star- heat and density were high enough so that protons could fuse into helium. E 5 years.

Why is the nucleosynthesis era so important in determiningthe chemical composition of the universe.

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