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Groups > sci.physics > #707676 > unrolled thread
| Started by | Keith Stein <keithstein111@gmail.com> |
|---|---|
| First post | 2018-10-13 16:08 +0100 |
| Last post | 2018-10-18 10:40 +0100 |
| Articles | 2 on this page of 82 — 9 participants |
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Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-13 16:08 +0100
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-13 10:49 -0700
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-13 10:58 -0700
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-13 11:06 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 16:11 -0400
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 16:10 -0400
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 16:08 -0400
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-13 14:03 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 18:27 -0400
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-13 21:36 -0700
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-14 13:44 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-15 11:24 -0400
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-15 08:45 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-15 12:06 -0400
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-15 17:32 +0000
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-15 21:15 -0400
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-16 02:51 +0000
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-15 23:00 -0400
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-16 11:24 +0000
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-16 08:12 -0400
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-16 12:39 +0000
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-15 10:34 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-15 21:18 -0400
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-15 10:32 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-15 21:17 -0400
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-15 20:57 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-16 08:10 -0400
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-16 11:00 -0700
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-13 18:49 -0700
Re: Universe NO T Ex p a n d i n g eh! Double-A <double-a3@hush.com> - 2018-10-13 13:48 -0700
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-13 15:33 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 20:43 -0400
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-13 18:36 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 23:10 -0400
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-14 08:35 -0700
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-14 13:47 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-14 23:06 +0000
Re: Universe NO T Ex p a n d i n g eh! Double-A <double-a3@hush.com> - 2018-10-14 15:02 -0700
Re: Universe NO T Ex p a n d i n g eh! Edward Prochak <edprochak@gmail.com> - 2018-10-17 10:34 -0700
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-13 18:48 -0700
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-13 19:01 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 23:12 -0400
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-13 19:01 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-13 23:17 -0400
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-15 13:10 -0700
Re: Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-15 16:09 +0100
Re: Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-17 12:37 +0100
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-17 08:43 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-17 12:14 -0400
Re: Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-17 17:51 +0100
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-17 13:32 -0400
Re: Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-17 20:13 +0100
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-17 15:50 -0400
Re: Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-18 10:27 +0100
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-18 07:56 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-18 22:35 +0000
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-18 22:52 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-24 09:26 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-24 23:12 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-24 16:18 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-25 02:05 +0000
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-25 02:07 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-24 22:02 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-25 10:35 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-25 05:33 -0700
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-25 06:59 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-25 16:09 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-26 10:33 -0700
Re: Universe NO T Ex p a n d i n g eh! moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-25 16:30 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-25 10:02 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-25 22:09 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-26 04:02 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-26 17:48 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-26 11:15 -0700
Re: Universe NO T Ex p a n d i n g eh! mitchrae3323@gmail.com - 2018-10-26 11:52 -0700
Re: Universe NO T Ex p a n d i n g eh! Odd Bodkin <bodkinodd@gmail.com> - 2018-10-26 22:53 +0000
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-27 06:56 -0700
Re: Universe NO T Ex p a n d i n g eh! john <johnsefton288@gmail.com> - 2018-10-26 10:27 -0700
Re: Universe NO T Ex p a n d i n g eh! benj <benj.fake@gmail.com> - 2018-10-18 12:30 -0400
Re: Universe NO T Ex p a n d i n g eh! "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-10-19 10:27 -0700
Re: Universe NO T Ex p a n d i n g eh! moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-10-17 16:50 +0000
Re: Universe NO T Ex p a n d i n g eh! Keith Stein <keithstein111@gmail.com> - 2018-10-18 10:40 +0100
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| From | moroney@world.std.spaamtrap.com (Michael Moroney) |
|---|---|
| Date | 2018-10-17 16:50 +0000 |
| Message-ID | <pq7p8q$mcp$3@pcls7.std.com> |
| In reply to | #708592 |
Keith Stein <keithstein111@gmail.com> writes: >On 13/10/2018 16:08, Keith Stein wrote >> On 24/03/2018 08:36, Keith Stein wrote: >> > Searching for an alternative explanation of the Hubble Red Shifts, it >> > occurred to me that if the speed of light is slowing down, then this >> > will necessarily lead to increasing red-shift with increasing >> > distance, as observed by Hubble et. al., without any expansion at all. >When light slows down by entering a more dense medium such as glass, or >water, the frequency stays the same and the WAVELENGTH REDUCES. >So how is it that when light slows down traveling across intergalactic >space,the the WAVELENGTH INCREASES ? Doppler Effect. >The frequency generated by any given atomic transition, even on distant >galaxies many billions of years ago, is exactly the same as that on >Earth today. When measured locally, yes. > The wavelength is proportional the the velocity of light AT >THE TIME IT WAS EMITTED, Which, of course, is the same as it is now. Because of that, the observed frequency of light from a receding galaxy is decreased, and its wavelength is increased. The product remains constant, c.
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| From | Keith Stein <keithstein111@gmail.com> |
|---|---|
| Date | 2018-10-18 10:40 +0100 |
| Message-ID | <6yYxD.112728$vX1.11782@fx46.am4> |
| In reply to | #708607 |
On 24/03/2018 08:36, Keith Stein wrote: > Searching for an alternative explanation of the Hubble Red Shifts, it > occurred to me that if the speed of light is slowing down, then this > will necessarily lead to increasing red-shift with increasing > distance, as observed by Hubble et. al., without any expansion at all. > > Merely by assuming dc = -K c dt ..................(1) > I was led to c = c(0) e^-Kt ...............(2) > and on to Red-Shift = e^-Kt - 1 .........(3) > > K ~= 10^-10 /year > t = time in years > > Only after starting the PHYSICS PRIZE thread, in which i was trying to > enlist the help of sci.physics.relativity readers to obtain a more > accurate value of K, did the obvious solution occur to me........... > > K = H = Hubble's Constant > and t = -t ( so times past become +ve) > > which substituted in (3) gives: > > Red-Shift = e^Ht - 1 .........(4) > > then for times which are small compared to 1/H (i.e. small compared > to the 'age of the universe'), we may use the approximation: > e^x ~= 1 + x .................(5) > > So for t << 1/H we have: > > Red-Shift = H * t ............(6) > > which is of course the normal "Hubble's Law", valid only > for modest times into the past ( t < ~5 billion years). > > As our telescopes manage to see further out into space, and therefore > further back in time, we will find that the normal linear Hubble's Law > expressed in equation(6), will have to be replaced by the more > accurate exponential form expressed in equation(4). This is indeed > what is found in observatories all around the world eh! wikepedia wrote: "We currently appear to be approaching a period where the expansion is exponential due to the increasing dominance of vacuum energy. In this regime, the Hubble parameter is constant, and the universe grows by a factor e each Hubble time:" https://en.wikipedia.org/wiki/Hubble%27s_law#Observed_values_of_the_Hubble_constant On 17/10/2018 17:50, Michael Moroney wrote: > Keith Stein <keithstein111@gmail.com> writes: > >> On 13/10/2018 16:08, Keith Stein wrote >>> On 24/03/2018 08:36, Keith Stein wrote: > >>> > Searching for an alternative explanation of the Hubble Red Shifts, it >>> > occurred to me that if the speed of light is slowing down, then this >>> > will necessarily lead to increasing red-shift with increasing >>> > distance, as observed by Hubble et. al., without any expansion at all. > > >> When light slows down by entering a more dense medium such as glass, or >> water, the frequency stays the same and the WAVELENGTH REDUCES. >> So how is it that when light slows down traveling across intergalactic >> space,the the WAVELENGTH INCREASES ? > > Doppler Effect. > >> The frequency generated by any given atomic transition, even on distant >> galaxies many billions of years ago, is exactly the same as that on >> Earth today. > > When measured locally, yes. > >> The wavelength is proportional the the velocity of light AT >> THE TIME IT WAS EMITTED, > > Which, of course, is the same as it is now. > Because of that, the observed frequency of light from a receding galaxy > is decreased, and its wavelength is increased. > The product remains constant, c. >
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