Examples of 'billion years ago' in a sentence
Meaning of "billion years ago"
billion years ago: A measurement of time indicating an extremely long duration, typically used in scientific contexts
How to use "billion years ago" in a sentence
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billion years ago
Four point four billion years ago.
Four billion years ago it was a different story.
That feels like a billion years ago.
Billion years ago there was nothing.
It began around four billion years ago.
About three billion years ago it died as a planet.
Iflife starts approximately a billion years ago.
Three billion years ago it had active volcanoes.
If life starts approximately a billion years ago.
Halt a billion years ago.
Like this world was a quarter of a billion years ago.
About six billion years ago.
We are looking at it as it looked a billion years ago.
Four and a half billion years ago we started.
So we are seeing them as they were thirteen billion years ago.
See also
About four billion years ago.
Billion years ago the universe is a much smaller place.
Three and a half billion years ago.
Ten billion years ago.
Life was given to us a billion years ago.
Billion years ago was intentional.
That was four billion years ago.
Billion years ago on a planet hundreds of millions of kilometres away.
That was five billion years ago.
Three billion years ago the bacteria appeared in the water.
About three billion years ago.
Five billion years ago our galaxy and sun were born.
Marsus was born billion years ago.
Four billion years ago followed the earth in its mineral form.
About five billion years ago.
It was made by beings that lived about a billion years ago.
A million billion years ago.
Build me stuff that was here three billion years ago.
Half a billion years ago.
Clues that three or four billion years ago.
About four billion years ago one became two.
From a time almost four billion years ago.
But around four billion years ago it was a different story.
When it formed over four billion years ago.
Three and a half billion years ago on a planet hundreds of millions.
Life began in water four billion years ago.
A billion years ago the solar system was nothing but a bunch of clouds.
But four and a half billion years ago.
Roughly five billion years ago some of these ageing stars died.
He was born eight billion years ago.
Five billion years ago an interstellar cloud was collapsing to form our solar system.
Life began on earth a few billion years ago.
We know that five billion years ago the solar system did not exist.
Ga stands for giga annum or billion years ago.
Three and a half billion years ago on our little world.
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Two thanksgivings ago was the first time
Years ago the earth was nearly destroyed
Until a few hours ago he was with them
Examples of using Billion
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We are talking about a billion dollar weapons project
Billion people are without access to basic sanitation
You and seven billion other people
Examples of using Years
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They spent two years digging a tunnel
Years of expertise in every aspect of machine tools
I waited five years for that space
