The increase in number of people
<span>So far, astronomers have found more than 500 solar systemsand are discovering new ones every year. Given how many they have found in our own neighborhood of the Milky Way galaxy, scientists estimate that there may be tens of billions of solar systems in our galaxy, perhaps even as many as 100 billion.</span>
Answer:
Drifting away like sand dunes
Endless view of thirst and despair
Smoothing its way into the loneliness
Emitting its radiance to your sole self
Rocks, and dunes and wind blowing
Travel such like this will last centuries
