EARTH IS JUST ONE PLANET OUT OF 100 BILLION -- From Astrobiology.com: 100 Billion Planets May Populate the Galaxy. Not only could there be 1011 planets in the Milky Way galaxy alone, there are an estimated 1021 stars in the universe. This seems to make Earth, and the humans who inhabit it, seem rather insignificant. But consider this quote …
Tag: Population
Global Accessibility
Here's a map from the European Commission and the World Bank showing travel time to major cities (this is, cities with at least 50,000) people. The bright areas can be reached from cities in just a few hours of transit; the dark areas take days to reach. The lines in the oceans designate shipping lane …
World Population Density
A good map is a work of art. This graphic shows a computer generated map of population density, with the tall spikes representing the large cities of the world. The map is from the National Geographic Atlas of the World, and can be viewed at the ESRI Map Book Gallery Volume 20. Grace and Peace