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Does Earth have two high-tide bulges on opposite sides? (2014)

(physics.stackexchange.com)
294 points imurray | 2 comments | 22 May 25 18:58 UTC | HN request time: 0s | source
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coolcase ◴[22 May 25 21:13 UTC] No.44067113[source]▶
Try to get your head around this while simultaneously not thinking of gravity as a force but curvature in spacetime.
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senderista ◴[22 May 25 22:45 UTC] No.44067977[source]▶
No, don't! Use the simplest model that applies in your context!
replies(2): >>44068099 #>>44068822 #
1. coolcase ◴[23 May 25 01:05 UTC] No.44068822[source]▶
I agree, I meant to add "as a mind bending exercise to realize how complex nature is!"
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2. verzali ◴[23 May 25 09:20 UTC] No.44071281[source]▶
Its all models in the end. Half of physics is just putting things in the easiest frame or model to solve the problem you want to solve. And the other half is often simplifying things down to the proverbial spherical cow in a vacuum.