I made some notes this morning as I was having my coffee and granola. I’d been thinking about today’s perihelion before I was diverted. The sun, if you see it, is five million kilometres closer than it will be in July though it’s not much closer than it was yesterday or will be tomorrow. So don’t expect it look any bigger.[Read more…] about On Feeders and Dots
Gravitational Waves And More
There are a few stories in these journals about how technology changes with time (and space). Today, our TV breakfast news was headlined by the story of a collision of two black holes several billion years ago. A redefinition of the concept of a ‘late breaking’ story that we know about because of the sciences. The collision that was detected chirped for less than a tenth of a second on May 21st, 2019. It’s worth noting that mankind only invented the mechanism to record such news recently.
[Read more…] about Gravitational Waves And More