red giant

However, five billion years from now, scientists believe our sun will become a red giant.

A red giant is close to what we call vacuum.

In fact, by almost all accounts, it is a red giant.

In about another 4 to 5 billion years, they think it will get bigger and become a red giant star.

On the screen was a red giant of a planet.

"At least in that case no life was destroyed when the sun went red giant."

Some unknown physical process at the surface of the red giant, perhaps?

Now, on the other side of the scale were the truly red giants.

This is a red giant with 90 times the Sun's diameter.

"It only means that any evidence of life was destroyed when the sun went red giant."

"So that explains how we got a red giant out of a sun that's only four billion years old."

The star is estimated to be a 6-billion-year-old red giant.

Maybe too much of it boiled off into space while the sun was a red giant.

"It should not be a red giant, according to its years.

In about eight billion years the sun will be a red giant. "

"It would've already been a red giant when they evolved."

A much bigger red giant leaves behind a black hole.

The large red giants would seem to be impressive objects indeed.

It had begun to swell, to become a red giant.

It is now developing into a red giant and will one day end as a white dwarf.

However, the star is very old and will soon start to expand becoming finally a red giant.

Out this far the sun could go red giant and barely warm it.

The Sun is predicted to become a red giant in approximately 5.4 billion years.

It is only 93 light-years away, closer than most of the red giants.

It is now in the process of cooling and expanding to become a red giant.