It would be interesting for me to live eternally or at least a million years on earth. According to scientists, earth does not decay but will continue to exist for many million years.

But what would mean eternal life on earth for me as a Christian? If our scientists are smart enough to find a way for living millions of years, then because God gave us our smartness. I see no reason why using it would be against Gods ways.

By the way, I believe in God, but certainly not in lakes of fire or such, which have no base in the bible. The lakes of fire are as existent as Santa Claus or the little angels with the trumpets. No one knows for sure what happens when we die, but most likely we cease to exists as individuals.