“Or in other words, why does disorder increase in the same direction of time as that in which the universe expands?”
― A Brief History of Time
― A Brief History of Time
“We now know that our galaxy is only one of some hundred thousand million that can be seen using modern telescopes, each galaxy itself containing some hundred thousand million stars.”
― A Brief History of Time
― A Brief History of Time
“A well-known scientist (some say it was Bertrand Russell) once gave a public lecture on astronomy. He described how the earth orbits around the sun and how the sun, in turn, orbits around the center of a vast collection of stars called our galaxy. At the end of the lecture, a little old lady at the back of the room got up and said: “What you have told us is rubbish. The world is really a flat plate supported on the back of a giant tortoise.” The scientist gave a superior smile before replying, “What is the tortoise standing on?” “You’re very clever, young man, very clever,” said the old lady. “But it’s turtles all the way down!”
― A Brief History of Time
― A Brief History of Time
“This means it will take about a thousand million million million million years for the earth to run into the sun, so there’s no immediate cause for worry!”
― A Brief History of Time
― A Brief History of Time
“We have developed from the geocentric cosmologies of Ptolemy and his forebears, through the heliocentric cosmology of Copernicus and Galileo, to the modern picture in which the earth is a medium-sized planet orbiting around an average star in the outer suburbs of an ordinary spiral galaxy, which is itself only one of about a million million galaxies in the observable universe.”
― A Brief History of Time
― A Brief History of Time
Meshack’s 2025 Year in Books
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