the not very distant future, visitors might see for themselves whether there is life on the moon, or even Mars. It is difficult to say how often such collisions occur, but a reasonable guess might be every twenty million years, on average. But I don't think these will ever be possible, no matter how intelligent online resumes life becomes.
In order to understand the drastic changes we have to understand not just the principals of evolution but to understand the theory and life styles of fossils found. Bacteria occupy a wider range of space on earth and are an indestructible type of organism. In this way, the system can satisfy the requirement that the total amount of disorder increases, while, at the same time, increasing the order in itself and its offspring. Most of it has not been explored. We would see it coming years in advance and could send a spacecraft there to deflect it into a harmless orbit. In the theory of relativity, if one can travel faster than light, one can also travel back in time.
At first, evolution proceeded by natural selection, from random mutations. While he acknowledged the possibility that forms of life could exist dependent on some other liquid, he concluded that nothing in our present knowledge entitles us to make such an assumption. That's what I find really fascinating, Livio notes. During that time, the useful information in our DNA, has probably changed by only a few million bits. The possibilities of the existence of intelligent life are great, but the possibility of finding them is not.