Sentence examples for a billion years from inspiring English sources

This took about a billion years.

Experiments show planet cooled dramatically in half a billion years.

In half a billion years, the planet will be uninhabitable.

You can travel a billion years in a minute.

They could have found us a billion years ago".

"That would not happen in a billion years," he said.

Thus, you would calculate that your rock is about a billion years old.

Assuming a minor merger occurred, the black holes should eventually merge after about a billion years.

You get plant cell structure probably at the level of about a billion years.

Numerous Dnmt5-containing organisms that diverged more than a billion years ago exhibit clustered methylation, specifically in nucleosome linkers.

The planet is only a billion years older, but estimates vary on when it became habitable.