Not So Far Mars
The famed astronomer Carl Sagan used to begin each Public Television show he hosted with the phrase "billions and billions" to refer to the stars and planets in the Universe. The past two weeks however, have focused scientists and the world on Mars.
If you've been living in a bubble then here's some news: Mars is closer to Earth today than it has been since the Stone Age. Spectatcular pictures have been taken by scientists from NASA and Cornel University showing detail up to 17 miles. In other words, we are about as close as we can get without having to send a telescope like the Hubble to the Red Planet. All of this interest in Mars begs the question. Why the fascination?
Stories of Mars date back to Galileo and even further when the world's pollution levels were so low primitive man was able to see the Red Planet and a strong red tint in the atmosphere. Nowadays that's virtually impossible. But authors like Ray Bradbury and Orson Welles enchanted legion...