If you mean before Earth is destroyed, then the following sentence:
5 or so billion years until the sun will expand and annihilate the planet.
Sources: A documetary on the Discovery channel. Or something close to that.
The Earth underwent total melt around this time in geologic history. Due to its high density, much of Earth's iron wound up sinking to the core.
Earth, but there's not much difference.
About 1.27 seconds .
At any given time, half (50%) of Earth is exposed to sunlight.
a year
The end of life on earth is speculated often when natural disasters occur. The end of an individual's time on earth comes when they die.
Hard Time on Planet Earth ended on 1989-06-21.
Half of the Earth at a time.
At the end of the time of elves and the beginning of the time of men. (aka, middle earth)
It isn't. The Earth will be here for a very long time, it's the humans that will be gone.
When Christ returns to earth the second time.
At one point in time, definitely. many of us would think that if the asteroid is going to hit our earth, then it will be the end. Yes it would be the end of us, but our earth may still live on. (like with the dinosaurs).
NO, the world is not going to end, if so there will be one protector who will save the earth from the disaster.
pop
12 years
The Earth underwent total melt around this time in geologic history. Due to its high density, much of Earth's iron wound up sinking to the core.
Earth, but there's not much difference.