Brian

“By day, contrary to common wisdom, you probably won’t see the Great Pyramids at Giza, and you certainly won’t see the Great Wall of China. Their obscurity is partly the result of having been made from the soil and stone of the surrounding landscape. And although the Great Wall is thousands of miles long, it’s only about twenty feet wide—much narrower than the U.S. interstate highways you can barely see from a transcontinental jet.

From orbit, with the unaided eye, you would have seen smoke plumes rising from the oil-field fires in Kuwait at the end of the first Persian Gulf War in 1991 and smoke from the burning World Trade Center towers in New York City on September 11, 2001. You will also notice the green–brown boundaries between swaths of irrigated and arid land. Beyond that shortlist, there’s not much else made by humans that’s identifiable from hundreds of miles up in the sky. You can see plenty of natural scenery, though, including hurricanes in the Gulf of Mexico, ice floes in the North Atlantic, and volcanic eruptions wherever they occur.”
― Neil deGrasse Tyson, Astrophysics for People in a Hurry

“In other words, after the laws of physics, everything else is opinion.”
― Neil deGrasse Tyson, Astrophysics for People in a Hurry

“The gravitational waves of the first detection were generated by a collision of black holes in a galaxy 1.3 billion light-years away, and at a time when Earth was teeming with simple, single-celled organisms. While the ripple moved through space in all directions, Earth would, after another 800 million years, evolve complex life, including flowers and dinosaurs and flying creatures, as well as a branch of vertebrates called mammals. Among the mammals, a sub-branch would evolve frontal lobes and complex thought to accompany them. We call them primates. A single branch of these primates would develop a genetic mutation that allowed speech, and that branch—Homo Sapiens—would invent agriculture and civilization and philosophy and art and science. All in the last ten thousand years. Ultimately, one of its twentieth-century scientists would invent relativity out of his head, and predict the existence of gravitational waves. A century later, technology capable of seeing these waves would finally catch up with the prediction, just days before that gravity wave, which had been traveling for 1.3 billion years, washed over Earth and was detected.

Yes, Einstein was a badass.”
― Neil deGrasse Tyson, Astrophysics for People in a Hurry

“For reasons I have yet to understand, many people don’t like chemicals, which might explain the perennial movement to rid foods of them. <...> Personally, I am quite comfortable with chemicals, anywhere in the universe. My favorite stars, as well as my best friends, are all made of them.”
― Neil deGrasse Tyson, Astrophysics for People in a Hurry