12.5 billion years ago what did

Thread starter rrw4rusty
Start date Dec 11, 2010
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In summary, 12.5 billion years ago is a significant time in scientific research because it marks the beginning of the formation of stars and galaxies through the event known as the "Big Bang". Scientists have multiple lines of evidence to support the existence of this time, such as cosmic microwave background radiation and the expansion of the universe. The environment at this time was extremely hot and dense, and scientists use various tools and methods to study events that occurred during this time. By studying 12.5 billion years ago, scientists can also make predictions about the future of the universe and gain insight into its continued evolution.

Dec 11, 2010

rrw4rusty

...the universe look like? About the same as now?

Rusty

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Dec 11, 2010

DaveC426913

Gold Member

No. That was just around the time population III stars were beginning to form.

Wiki has a useful http://en.wikipedia.org/wiki/Timeline_of_the_Big_Bang" .

Last edited by a moderator: May 5, 2017

What is the significance of 12.5 billion years ago in scientific research?

12.5 billion years ago is a crucial time in the history of the universe, as it marks the beginning of the formation of stars and galaxies. This event, known as the "Big Bang", is the most widely accepted explanation for the creation of the universe.

What evidence do scientists have to support the existence of 12.5 billion years ago?

Scientists have multiple lines of evidence to support the existence of 12.5 billion years ago, including the cosmic microwave background radiation, the expansion of the universe, and the abundance of light elements such as hydrogen and helium.

What was the environment like 12.5 billion years ago?

At this time, the universe was extremely hot and dense, filled with energy and radiation. As it expanded and cooled, matter began to clump together, eventually forming the first stars and galaxies. There was no solid matter or complex structures like planets or life forms yet.

How do scientists study events that occurred 12.5 billion years ago?

Scientists use a variety of tools and methods to study events that occurred 12.5 billion years ago, including telescopes that can detect the faint light from distant galaxies, computer simulations, and mathematical models based on known physical laws and principles.

What can we learn about the future of the universe by studying 12.5 billion years ago?

Studying the past allows scientists to make predictions about the future of the universe. By studying 12.5 billion years ago, scientists can gain insight into how the universe will continue to evolve and what potential events may occur in the future, such as the expansion of the universe and the formation of new stars and galaxies.