A Journey to the Center of the Earth

Santorini’s black sand beaches

Gazing at the night sky and talking about stars, constellations, and galaxies, can be an entertaining and learning pastime for many of us, sharpening our curiosities and speculations about the mysteries of nature. In another article of this series titled Billions and Billions of Stars, I wrote that “the travel back to the time of the Big Bang can be fascinating, even if we think that some of it is fiction. We will not see any…