Timeline for Could a planet without an orbiting moon still be habitable to human life in at least one small pocket?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
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| Apr 12, 2022 at 14:07 | comment | added | Daron | You are right. The gradient is the important one. But I am getting about 10^30 / 10^11 = 10^19 for the sun's gradient and only 10 ^23 / 10^8 = 10^15 for the moon. That suggests the Solar tides are larger than the Lunar tides. | |
| Apr 12, 2022 at 13:15 | comment | added | Jon Custer | See oceanservice.noaa.gov/education/tutorial_tides/… for example. Note that it is the gradient, not absolute value, of the gravitational interaction that leads to tides. | |
| Apr 12, 2022 at 13:10 | comment | added | Daron | I was trying to check that by comparing the gravitational pull of the sun vs the moon. What a silly question. Of course the sun exerts more gravity. That's why we orbit the sun and not the moon! | |
| Apr 12, 2022 at 13:00 | comment | added | Jon Custer | The tidal bulge from the sun is about half that from the moon. So, tidal heights would be constant and about 1/3 of peak (sun+moon) tides. I don't consider 1/3 to be 'itty bitty'. | |
| Apr 12, 2022 at 12:57 | comment | added | Daron | @JonCuster Itty bitty Solar tides. | |
| Apr 12, 2022 at 1:18 | comment | added | Jon Custer | There would still be (smaller) tides. | |
| Apr 11, 2022 at 23:16 | history | answered | Daron | CC BY-SA 4.0 |