“Never waste your time trying to explain who you are to people who are committed to misunderstanding you.” –Dream Hampton Perhaps no word in the English language generates as much misunderstanding as the word theory. In scientific circles, this word has a very specific meaning that’s different from everyday use, and — as a theoretical … Read moreAsk Ethan #17: The Burden of Proof
“To be is to be the value of a variable.” –Willard Van Orman Quine It’s the end of the week once again, and the very end of our Year In Space 2014 Wall Calendar giveaway! So for this week’s Ask Ethan column, after dipping into our question/suggestion box, I’m very pleased to let Vera from … Read moreAsk Ethan #16: What are Variable Stars?
“I wouldn’t know a spacetime continuum or a warp core breach if they got into bed with me.” –Patrick Stewart It’s the end of the week once again, and so it’s time for another Ask Ethan segment! There have been scores of good questions to choose from that were submitted this month alone (and you … Read moreAsk Ethan #11: Why does gravity get weaker with distance?
“Even in hindsight, I would not change one whit of the Voyager experience. Dreams and sweat carried it off. But most of all, its legacy makes us all Earth travelers among the stars.” -Charley Kohlhase In the early days of space exploration, it was quite a feat just to get up and out of Earth’s … Read moreHow to reach the outer solar system
“To disagree leads to study, to study leads to understanding, to understand is to appreciate, to appreciate is to love. So maybe I’ll end up loving your theory.” –John Wheeler Out there in the Universe, there’s a lot to marvel at. Over billions of years, gravity has attracted different portions of the expanding Universe together … Read moreDoes Dark Matter affect the motion of the Solar System?
“When I say, ‘I love you,’ it’s not because I want you or because I can’t have you. It has nothing to do with me. I love what you are, what you do, how you try. I’ve seen your kindness and your strength. I’ve seen the best and the worst of you. And I understand … Read moreFor the love of science
“The cosmos is all that is or ever was or ever will be. Our feeblest contemplations of the Cosmos stir us—there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, or falling from a height. We know we are approaching the greatest of mysteries.” –Carl … Read moreWhy the Universe needs Dark Matter (and not MOND) in one graph
“Summer ends, and Autumn comes, and he who would have it otherwise would have high tide always and a full moon every night.” –Hal Borland Of course you know the danger that would befall us if the Earth ever got too close to the Sun, as the Perry Bible Fellowship shows, atop. But have you … Read moreWhy you must NEVER hug the Moon!
“We live in an atmosphere of shame. We are ashamed of everything that is real about us; ashamed of ourselves, of our relatives, of our incomes, of our accents, of our opinions, of our experience, just as we are ashamed of our naked skins.” –George Bernard Shaw All that is real about ourselves is nothing … Read moreGiving thanks for our place in the Universe
“The particle and the planet are subject to the same laws and what is learned of one will be known of the other.” –James Smithson The entirety of the known Universe — from the smallest constituents of the atoms to the largest superclusters of galaxies — have more in common than you might think. Although … Read moreHave we reached the end of Particle Physics?