I need to properly make a new blog post as it’s been a while, but I got sidetracked with questions about space, speed, g-forces, and fixed points. I present to you, my prompts to Claude’s Opus 4.8 model, and its answers. Science chat! Ok, the earth is spinning, and orbiting the sun. The sun is moving around the the milky way’s galactic center. The milky way is orbiting - something. If you could somehow define a FIXED point in space - how fast am I, as a human on earth, moving per second way from that fixed point. Right, this is a cracking question and the answer involves some beautiful layers of physics. Let me break it all down. The “Fixed Point” Problem First, the philosophical snag: there is no universally agreed fixed point in space. The universe has no centre, no anchor. The best we can do is use the Cosmic Microwave Background (CMB) as a reference frame - the afterglow of the Big Bang, which permeates the entire universe and is effectively the closest thing we have to an…
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