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Jul 15, 2017 at 4:27 answer added Supertankerm60a3 timeline score: 0
Jul 10, 2017 at 17:11 comment added Jay Lemmon Sailing is a bad term. Drifting?
Jul 10, 2017 at 12:48 comment added bendl It doesn't take 7 years to sail anywhere in the world (google.com/…), so sailing by the currents caused by a 7 year tide would be pretty unnecessary.
Jul 10, 2017 at 10:28 comment added Jay Lemmon @MikeScott - Yes, fair point :)
Jul 10, 2017 at 10:19 comment added Mike Scott @JayLemmon The Earth can't be in geosynchronous orbit of the Moon, because the geo- prefix means the Earth, not the Moon. It's in selenosynchronous orbit.
Jul 10, 2017 at 10:14 answer added Salda007 timeline score: 0
Jul 10, 2017 at 9:23 comment added Jay Lemmon @Jim - Okay, enough people mentioned this that I looked in to it. As it turns out, if you are tidally locked to a celestial body, that body is in your geosynchronous orbit. Makes sense? So the Earth is in geosynchronous orbit of the Moon, which is why the same side of the Moon always faces the Earth, and why the Earth doesn't appear to change position in the Lunar sky. So if the Earth were tidally locked to the Moon as well, the Moon would be in geosynchronous orbit of the Earth, and it's position in the sky wouldn't change.
Jul 10, 2017 at 9:18 history edited Jay Lemmon CC BY-SA 3.0
Updating the title, as I wonder if it was causing confusion
Jul 10, 2017 at 1:54 comment added Jim Definitely confusing tidally locked with geosynchronous. The articlereferenced is from the moon's point of view not the earth's point of view. The earth does stay fixed in the moon sky when the moon is tidally locked, but the orbital radius determines how rapidly a satellite moves across the sky.
Jul 10, 2017 at 1:38 answer added pablodf76 timeline score: 2
Jul 9, 2017 at 22:37 comment added James K @vylix. No the main daily tide is due to the position of the moon alone not the angle it makes with the sun. You are thinking of spring/neap tides. And it is possible for the planet to be locked to the moon. See Pluto/Charon.
Jul 9, 2017 at 17:56 answer added James K timeline score: 4
Jul 9, 2017 at 17:50 comment added Vylix And I don't understand the planet is tidally locked to the moon, as I know only body with less mass that can be tidally locked to the higher mass.
Jul 9, 2017 at 17:44 comment added Vylix I'm not an expert, but as I understand it, tides are affected only by lunar phases - or to be precise the relative position of the moon, earth, and sun. If the moon, earth, and sun is in a straight line, then it's high tide, and if the moon, earth, and sun makes a right angle, then it's low tide. For more information science.howstuffworks.com/environmental/earth/geophysics/…
Jul 9, 2017 at 17:37 comment added Vylix That's a lot of questions to be asked in one post. Pick one for this post, and create another post linking to this question, asking the different question.
Jul 9, 2017 at 16:16 comment added Jay Lemmon @G0BLiN - As I understand it, if you are tidally locked to a celestial body, it's position in the sky is approximately constant. See starchild.gsfc.nasa.gov/docs/StarChild/questions/…
Jul 9, 2017 at 15:50 comment added G0BLiN I think this confuses the concept of tidal lock where an orbiting body always directs it's same "side" towards the other object (in the most known form of tidal locking, there are other possibilities) with the concept of geosynchronous orbit - where an orbiting body seems to occupy the same position in the sky.
Jul 9, 2017 at 15:29 review First posts
Jul 9, 2017 at 17:05
Jul 9, 2017 at 15:28 history asked Jay Lemmon CC BY-SA 3.0