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Groups > sci.physics > #544824
| From | jimp@specsol.spam.sux.com |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? |
| Date | 2016-01-12 18:32 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <netfmc-ptm.ln1@mail.specsol.com> (permalink) |
| References | <AbWdnZ865c80jAjLnZ2dnUU7-dOdnZ2d@giganews.com> |
Sam Wormley <swormley1@gmail.com> wrote: > Since the Earth is spinning and orbiting and whatnot, are we > experiencing time wrong because of time dilation? >> http://www.askamathematician.com/2015/02/q-since-the-earth-is-spinning-and-orbiting-and-whatnot-are-we-experiencing-time-wrong-because-of-time-dilation/ >> Physicist: A little! >> >> The movement of Earth, as well as the Earth?s gravity, change how >> much time we experience compared to other objects in the universe. >> If we were to occasionally compare our clocks to clocks in tight >> orbits around black holes or neutron stars we?d find they run slower >> than ours, and if we compare with clocks floating deep in the middle >> of nowhere we?d find that we?d find that those clocks run a little >> faster than ours. >> >> However, there?s no ?true? time to experience; you can never >> experience time wrong. Time is relative which means that we can >> compare how time is passing for any two things, but there?s no >> ultimate ?clock of the universe? to compare with. Your watch, no >> matter where you are or how you?re moving, will always read 1 second >> per second. That is, you?ll never see yourself in fast-forward or >> slow-motion. In that sense we can?t help but experience time >> correctly. Each of us may as well declare that our clock is the One >> True Clock, and everyone else?s is wrong. > > > >> To escape the Earth from the ground you need 11 km/s. More difficult >> is escaping the Sun (from Earth?s orbit) which requires 42 km/s. To >> leave our galaxy (from here) you need somewhere between 500 and 600 >> km/s. This time dilation from the Milky Way?s gravity has the >> biggest effect of those mentioned here. >> >> The spinning of the Earth and the orbiting of the Sun do affect the >> amount of time you experience, but not by a lot. Despite being >> closer to the Earth than the bulk of the galaxy, it?s our orbits >> around, and position in, our galaxy that affects our experience of >> time the most. What a puerile title. -- Jim Pennino
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Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? Sam Wormley <swormley1@gmail.com> - 2016-01-12 08:46 -0600 Re: Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? Sergio <invalid@invalid.com> - 2016-01-12 11:33 -0600 Re: Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? jimp@specsol.spam.sux.com - 2016-01-12 18:32 +0000 Re: Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-01-12 12:58 -0800
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