Monday, December 14, 2020
The Night of The Geminids
the Geminids, the annual meteor shower from comet 3200 Phaethon. Early on we had the awesome pleasure of sighting earthgrazers... slow moving and longer lasting meteors that travel horizontally across the sky. Capella... which is a cluster of 4 stars. I love the app, but I still have so much to learn, so it's helpful to cross reference things I was trying to figure out last night. The Internet is amazing! Those four stars are over 40 light years away! since I met the brightest star visible from any part of Earth, last summer. Starman, then Laszarus, then Max posed a question. "What do you suppose would happen if for one second gravity had no effect on your body?" I knew he was not speaking metaphorically. He turned toward me and asked, "Would you like to help me figure that out?" To begin, he needed the diameter of the Earth, and I asked Siri. The answer is 7,918 miles. He took it from there, in his head... After one second without gravity a person would move a neglible distance. The Earth is moving, too, he reminded me, and in such a brief amount of time, the event would be almost imperceptible. After one minute without gravity you would be about 193 feet above the Earth. After an hour, your body would be 123 miles from Earth.