“If, for example, I say that ‘the train arrives here at 7 o’clock,’ that means, more or less, ‘the pointing of the small hand of my clock to 7 and the arrival of the train are simultaneous events.’” […]
Astronomy
CELESTE: How long this time? LE GENTIL: How long will I be gone? Three years. I swear to you, Celeste, on everything that’s holy: three years, no more. CELESTE: What if you miss it? LE GENTIL: The transit? I won’t. CELESTE: You missed the last one. Venus (the small dark dot) crosses the Sun. That […]
“Did they ever meet?” I got the question all the time. People would ask what I was working on, and I would say a book about Einstein and Freud, and then would come the question. Same thing with my next book. People would ask what I was working on, and I would say a book […]
Most of the people I follow on Facebook are friends from high school and college, so I usually see photos of kids, drinking establishments, and scenic shots of the West. But recently I caught on to what 710,000 twitter followers and 219,354 Facebook friends (as of Tuesday) already knew–and started following Col. Chris Hadfield, a […]
How much time would you need to count to a million at the “One Mississippi” rate of one number per second? At some point in my writing life I figured I should contemplate that question if I were ever to appreciate the kinds of numbers that astronomy uses. Knowing that our galaxy contains more than […]
You understand this, right? that the radio-wave part of the electromagnetic spectrum travels, like all light, at one fixed speed. And since those same radio waves carry television programs, the programs broadcast earliest have traveled farthest. It’s not complicated but it is appalling: poor Arcturus, stuck with Happy Days. ________ Abstruse Goose took a little break and […]
I have an assignment from a magazine to write a profile of a woman astronomer. I am delighted about this: the magazine is excellent, the editors are superb, and the woman astronomer is impressive. I did notice that the assignment came just before the magazine announced publicly it needs to redress its problem with a […]
For the holiday season we here at LWON are giving ourselves the gift of confronting our fears. We are choosing our own most daunting science-related subjects and writing about why they scare us. My father wasn’t a physicist, but he could work wonders with gravity. He’d be showing me how to change a flat, or fix […]