Tag Archives: physics

Kamoʻoalewa: Breakaway Asteroid and Quasi-Moon

The asteroid 469219 Kamoʻoalewa isn’t exactly Earth’s second moon. But it’s been circling our world for centuries: and near Earth’s orbit for much longer. Now scientists say they’ve traced the asteroid back to Giordano Bruno crater on the Moon. I’ll … Continue reading

Posted in Discursive Detours, Science News | Tagged , , , , , , , , , | Leave a comment

Supernova Remnant Cassiopeia A: Cool Images of Hot Gas

Webb’s high-resolution cameras are showing details that scientists have never seen before. That’s what I started talking about this week.

But the Cassiopeia A supernova’s underwhelming appearance, or maybe non-appearance, reminded me of famines, coffeehouses, and other malign menaces. Continue reading

Posted in Discursive Detours, Science News | Tagged , , , , , , | Leave a comment

Sednoids, Rewinding the Solar System in a Simulation 

Sedna and Sednoids aren’t this month’s only science news. But I saw two exciting, for me, developments; and that’s what I started talking about last week. This week I’ll wrap up most of what I was going to say about … Continue reading

Posted in Science News | Tagged , , , , , | Leave a comment

Tokamak at Culham Centre for Fusion Energy Shut Down

“UK’s nuclear fusion site ends experiments after 40 years“Esme Stallard, BBC News (October 13, 2023) “‘It felt brilliant. One thing is to work on a design, another thing is to operate it.’ “Barry Green recounts the moment in June 1983 … Continue reading

Posted in Science News | Tagged , , , | Leave a comment

Double Jupiters, a JuMBO Puzzle; Antimatter Falls Down

Every time we develop new tech for studying this universe, we find something new. New to us, that is. This week, I’ll be talking about unexpected Jupiter-size objects in the Orion Nebula, and why scientists at CERN dropped a few … Continue reading

Posted in Exoplanets and Aliens, Journal, Science News, Series | Tagged , , , , , , , | Leave a comment