Telescopes are times machine
The immense distances to the stars and the galaxies mean that we see everything in space in the past—some as they were before the Earth came to be. Telescopes are time machines. Long ago, when an early galaxy began to pour light out into the surrounding darkness, no witness could have known that billions of years later some remote clumps of rock and metal, ice and organic molecules would fall together to make a place called Earth; or that life would arise and thinking beings evolve who would one day capture a little of that galactic light, and try to puzzle out what had sent it on its way.
And after the Earth dies, some 5 billion years from now, alter it is burned to a crisp or even swallowed by the Sun, there will be other worlds and stars and galaxies coming into being—and they will know nothing of a place once called Earth.
Mariners had painstakingly mapped the coastlines of the continents. Geographers had translated these findings into charts and globes. Photographs of ...
An inefficient virus kills its host. A clever virus stays with it.
When you lay down outside, looking up at the sky, you’re actually staring down into an infinite cosmic abyss with only the earth’s gravity stopping you from drifting off forever.
Source : dull_delinquent on Reddit