Re: [Python-ideas] OT: slowing rotation [was: High Precision datetime]

2018-05-18 Thread Greg Ewing
Chris Angelico wrote: I'm not sure. How long will it take for people to agree on a meaning for "trillion"? About a trillion years, I estimate. :-) -- Greg ___ Python-ideas mailing list Python-ideas@python.org

Re: [Python-ideas] OT: slowing rotation [was: High Precision datetime]

2018-05-18 Thread Greg Ewing
Stefan Behnel wrote: So, does that mean we now need to hold our breath for 1.9 british trillion years or 1.9 american trillion years? Seeing as the time-to-red-giant is only about 5e9 years, I don't think it matters much either way. -- Greg ___

Re: [Python-ideas] OT: slowing rotation [was: High Precision datetime]

2018-05-18 Thread Stefan Behnel
Greg Ewing schrieb am 18.05.2018 um 10:05: > Ethan Furman wrote: >> How long before the earth stops rotating?  > > Apparently about 1.9 trillion years. So, does that mean we now need to hold our breath for 1.9 british trillion years or 1.9 american trillion years? Assuming you were referring

Re: [Python-ideas] OT: slowing rotation [was: High Precision datetime]

2018-05-18 Thread Greg Ewing
Ethan Furman wrote: How long before the earth stops rotating? Apparently about 1.9 trillion years. > When it does, will we be > tide-locked with the sun, or will an earth day become an earth year? Wikipedia says the main cause of the slowing is tidal effects from the moon, so probably it

Re: [Python-ideas] OT: slowing rotation [was: High Precision datetime]

2018-05-17 Thread Chris Angelico
On Fri, May 18, 2018 at 5:53 AM, Ethan Furman wrote: > On 05/17/2018 12:13 PM, Tim Peters wrote: > >> Other things can cause the Earth's rotation to speed up temporarily >> (like some major geological events), but they've only been able to >> overcome factors acting to slow

[Python-ideas] OT: slowing rotation [was: High Precision datetime]

2018-05-17 Thread Ethan Furman
On 05/17/2018 12:13 PM, Tim Peters wrote: Other things can cause the Earth's rotation to speed up temporarily (like some major geological events), but they've only been able to overcome factors acting to slow rotation for brief periods, and never yet got near to overcoming them by a full