And just think Olivia, we only have a few more years left to enjoy the sun before it disappears!

Well that's a slight exaggeration - The Sun is expected to leave the main sequence in approximately 5.4 billion years

And just think Olivia, we only have a few more years left to enjoy the sun before it disappears!

Well that's a slight exaggeration - The Sun is expected to leave the main sequence in approximately 5.4 billion years

This phase marks the transition from burning hydrogen in the core to burning hydrogen around the core, which has been converted into helium by hydrogen burning. So still a few billion years to enjoy!