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Galaxies. They are just about the same now as they were then. 14 Billion years ago, astronomers believe that the "Big Bang" created matter from energy, which is how they believe galaxies were formed.
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Billion of years ago galaxies existed?
It is a true statement that galaxies existed billions of years ago. It is estimated that planet Earth is approximately 4.54 billion years old.
Billions of years ago galaxies existed as what?
Hot clouds of dust and reactive gases
Why do scientist see the galaxies if they were millions and billions of years ago?
The galaxies beyond our own are millions to billions of light years away, meaning the light takes millions to billions of years to get here.
Why do galaxies appear younger?
Galaxies (other than our own) are very far away, and it takes light a long time to reach us from those galaxies. In some cases it takes billions of years, in which case what we are actually seeing is the way that galaxy looked billions of years ago, rather than what it looks like in the present time.
Was there life in the solar system billions of years ago?
It is quite possible. Billions of years ago, the Sun was a lot cooler. Life may well have existed on Venus because of this. However, because of changes in the atmosphere - a severe global warming, any life that did exist, perished. For low values of "billions," the answer is definitely yes, as there are fossils from life on Earth from two billion years ago.
Where was the first piece of ice?
The first piece of ice formed somewhere in space billions of years ago, long before earth existed.
When scientists look at very distant galaxies through powerful telescopes they see the galaxies as they were millions or billions of year ago Why is this?
The vast distances involved means that the light we see left those galaxies a long time ago.
When scientists look at very distant galaxies through powerful telescopes they see the galaxies as they were millions or billions of year ago. Why is this?
The vast distances involved means that the light we see left those galaxies a long time ago.
How long ago was big bang?
It is believed to have occurred 13.7 billion years ago.
Were dinosaurs alive 500000000000000000 years ago?
No, the earth is only about 4 billions years old, which is 4,000,000,000. The universe is thought to be about 14 billion years old, which means it would not have existed either.
How many years ago was mars formed?
about 4.5 billions years ago.
Pangaea is currency of which country?
I think Pangaea was the name of the 'supercontinent' that existed billions of years ago that eventually split up to form the continents that exist today.
