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No ET! Ever?
RE: No ET! Ever?
(February 19, 2017 at 2:55 pm)Mr Greene Wrote:
(February 18, 2017 at 11:50 pm)Jehanne Wrote: Your original claim was, "the stars are in pretty much the same positions as when they were observed by the Greeks / Ancient Chinese." (emphasis mine).

In any case, the proper motion of the Sun around the center of the Galaxy (at nearly 700 times the speed of sound), would be sufficient to cause a narrow band radio transmission to miss the Earth, not to mention the Earth's motion around the Sun (around 60 times the speed of sound).

The wobble on the Earth's axis is an irrelevance, and calculating deflection could be done by fighter pilots in combat so hardly an insurmountable problem.
In any case unless you were targeting a specific star for some unspecified reason a general area would suffice.

We're talking Mach 690 or so, not to mention the fact that ET's system is also in motion by a similar amount, but on a different vector, which will only compound the problem.  Also, don't forget that laser light is still subject to the inverse law:

https://www.quora.com/Is-the-light-from-...ht-sources

And, so, once again, ET's transmitter is going to have to be at least in the billions (or, trillions) of watts in order to get a sustained signal, and, we are going to have to be looking for such a signal at the right time and the right spot in the sky.  And, this is something that we are not doing, at least at present.
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Messages In This Thread
No ET! Ever? - by ignoramus - January 25, 2017 at 5:03 am
RE: No ET! Ever? - by Alex K - January 25, 2017 at 5:23 am
RE: No ET! Ever? - by I_am_not_mafia - January 25, 2017 at 5:56 pm
RE: No ET! Ever? - by Neo-Scholastic - January 25, 2017 at 10:00 am
RE: No ET! Ever? - by brewer - January 25, 2017 at 10:14 am
RE: No ET! Ever? - by Thumpalumpacus - January 25, 2017 at 10:35 am
RE: No ET! Ever? - by Mister Agenda - January 25, 2017 at 10:41 am
RE: No ET! Ever? - by Aoi Magi - January 25, 2017 at 11:17 am
RE: No ET! Ever? - by Neo-Scholastic - January 25, 2017 at 5:08 pm
RE: No ET! Ever? - by Aoi Magi - January 25, 2017 at 5:44 pm
RE: No ET! Ever? - by Neo-Scholastic - January 25, 2017 at 6:10 pm
RE: No ET! Ever? - by Aoi Magi - January 25, 2017 at 6:16 pm
RE: No ET! Ever? - by Amarok - January 25, 2017 at 6:17 pm
RE: No ET! Ever? - by Thumpalumpacus - January 25, 2017 at 9:06 pm
RE: No ET! Ever? - by Cyberman - January 26, 2017 at 11:01 am
RE: No ET! Ever? - by TheRealJoeFish - January 25, 2017 at 11:29 am
RE: No ET! Ever? - by vorlon13 - January 25, 2017 at 12:07 pm
RE: No ET! Ever? - by Gawdzilla Sama - January 25, 2017 at 12:10 pm
RE: No ET! Ever? - by vorlon13 - January 25, 2017 at 12:12 pm
RE: No ET! Ever? - by Anomalocaris - January 26, 2017 at 12:12 am
RE: No ET! Ever? - by Cato - January 27, 2017 at 5:44 pm
RE: No ET! Ever? - by Minimalist - January 25, 2017 at 6:20 pm
RE: No ET! Ever? - by I_am_not_mafia - January 25, 2017 at 6:24 pm
RE: No ET! Ever? - by Aoi Magi - January 25, 2017 at 10:38 pm
RE: No ET! Ever? - by ignoramus - January 25, 2017 at 11:14 pm
RE: No ET! Ever? - by The Valkyrie - January 25, 2017 at 11:18 pm
RE: No ET! Ever? - by Kernel Sohcahtoa - January 25, 2017 at 11:27 pm
RE: No ET! Ever? - by Angrboda - January 25, 2017 at 11:29 pm
RE: No ET! Ever? - by Anomalocaris - January 26, 2017 at 12:22 am
RE: No ET! Ever? - by Edwardo Piet - January 25, 2017 at 11:53 pm
RE: No ET! Ever? - by ErGingerbreadMandude - January 26, 2017 at 12:15 am
RE: No ET! Ever? - by I_am_not_mafia - January 26, 2017 at 3:18 am
RE: No ET! Ever? - by ignoramus - January 26, 2017 at 12:16 am
RE: No ET! Ever? - by Minimalist - January 26, 2017 at 1:25 am
RE: No ET! Ever? - by ErGingerbreadMandude - January 26, 2017 at 2:21 am
RE: No ET! Ever? - by Amarok - January 26, 2017 at 3:29 am
RE: No ET! Ever? - by Thumpalumpacus - January 26, 2017 at 10:38 am
RE: No ET! Ever? - by Anomalocaris - January 26, 2017 at 12:27 pm
RE: No ET! Ever? - by Minimalist - January 26, 2017 at 11:47 am
RE: No ET! Ever? - by Amarok - January 26, 2017 at 1:48 am
RE: No ET! Ever? - by ignoramus - January 26, 2017 at 2:33 am
RE: No ET! Ever? - by Thumpalumpacus - January 26, 2017 at 1:08 pm
RE: No ET! Ever? - by Lemonvariable72 - January 26, 2017 at 4:53 pm
RE: No ET! Ever? - by Mr Greene - January 26, 2017 at 10:47 pm
RE: No ET! Ever? - by dyresand - January 27, 2017 at 11:55 am
RE: No ET! Ever? - by vorlon13 - January 27, 2017 at 12:55 pm
RE: No ET! Ever? - by Alex K - January 27, 2017 at 3:46 pm
RE: No ET! Ever? - by Anomalocaris - January 28, 2017 at 2:15 am
RE: No ET! Ever? - by Foxaèr - January 28, 2017 at 2:19 am
RE: No ET! Ever? - by Anomalocaris - January 28, 2017 at 11:44 am
RE: No ET! Ever? - by ErGingerbreadMandude - January 28, 2017 at 12:27 pm
RE: No ET! Ever? - by Rhondazvous - January 28, 2017 at 1:16 pm
RE: No ET! Ever? - by Anomalocaris - January 28, 2017 at 1:48 pm
RE: No ET! Ever? - by Rhondazvous - January 28, 2017 at 3:07 pm
RE: No ET! Ever? - by vorlon13 - January 28, 2017 at 3:14 pm
RE: No ET! Ever? - by Rhondazvous - January 28, 2017 at 4:04 pm
RE: No ET! Ever? - by Anomalocaris - January 28, 2017 at 4:40 pm
RE: No ET! Ever? - by Rhondazvous - January 28, 2017 at 7:15 pm
RE: No ET! Ever? - by Aoi Magi - January 28, 2017 at 8:49 pm
RE: No ET! Ever? - by Godschild - January 30, 2017 at 3:23 am
RE: No ET! Ever? - by ignoramus - January 30, 2017 at 3:33 am
RE: No ET! Ever? - by Godschild - January 31, 2017 at 3:22 am
RE: No ET! Ever? - by robvalue - January 30, 2017 at 3:51 am
RE: No ET! Ever? - by Aoi Magi - January 31, 2017 at 11:50 am
RE: No ET! Ever? - by Godschild - February 1, 2017 at 1:52 am
RE: No ET! Ever? - by Aoi Magi - February 1, 2017 at 11:08 am
RE: No ET! Ever? - by Anomalocaris - February 1, 2017 at 11:29 am
RE: No ET! Ever? - by Catholic_Lady - February 1, 2017 at 11:33 am
RE: No ET! Ever? - by Kernel Sohcahtoa - February 2, 2017 at 4:24 pm
RE: No ET! Ever? - by Catholic_Lady - February 2, 2017 at 4:53 pm
RE: No ET! Ever? - by Anomalocaris - February 1, 2017 at 11:37 am
RE: No ET! Ever? - by Aoi Magi - February 1, 2017 at 1:30 pm
RE: No ET! Ever? - by Catholic_Lady - February 1, 2017 at 1:40 pm
RE: No ET! Ever? - by Anomalocaris - February 1, 2017 at 2:25 pm
RE: No ET! Ever? - by Catholic_Lady - February 1, 2017 at 4:38 pm
RE: No ET! Ever? - by Anomalocaris - February 1, 2017 at 5:58 pm
RE: No ET! Ever? - by Catholic_Lady - February 1, 2017 at 11:51 pm
RE: No ET! Ever? - by ignoramus - February 2, 2017 at 12:05 am
RE: No ET! Ever? - by Godschild - February 2, 2017 at 1:14 am
RE: No ET! Ever? - by Foxaèr - February 2, 2017 at 1:17 am
RE: No ET! Ever? - by Godschild - February 2, 2017 at 1:56 am
RE: No ET! Ever? - by Cyberman - February 2, 2017 at 8:58 am
RE: No ET! Ever? - by Godschild - February 2, 2017 at 10:40 am
RE: No ET! Ever? - by Catholic_Lady - February 2, 2017 at 12:11 am
RE: No ET! Ever? - by Aoi Magi - February 2, 2017 at 12:58 am
RE: No ET! Ever? - by Catholic_Lady - February 2, 2017 at 1:30 am
RE: No ET! Ever? - by Cyberman - February 2, 2017 at 11:04 am
RE: No ET! Ever? - by Aoi Magi - February 2, 2017 at 11:19 am
RE: No ET! Ever? - by Godschild - February 3, 2017 at 1:17 am
RE: No ET! Ever? - by Rhondazvous - February 18, 2017 at 1:55 pm
RE: No ET! Ever? - by Jehanne - February 18, 2017 at 2:01 pm
RE: No ET! Ever? - by Rhondazvous - February 18, 2017 at 2:30 pm
RE: No ET! Ever? - by Jehanne - February 18, 2017 at 3:06 pm
RE: No ET! Ever? - by Aoi Magi - February 2, 2017 at 5:08 pm
RE: No ET! Ever? - by Anomalocaris - February 2, 2017 at 7:21 pm
RE: No ET! Ever? - by Jehanne - February 16, 2017 at 8:58 pm
RE: No ET! Ever? - by Edwardo Piet - February 16, 2017 at 10:42 pm
RE: No ET! Ever? - by Anomalocaris - February 16, 2017 at 11:34 pm
RE: No ET! Ever? - by Jehanne - February 17, 2017 at 9:17 am
RE: No ET! Ever? - by Mr Greene - February 18, 2017 at 7:11 am
RE: No ET! Ever? - by Jehanne - February 18, 2017 at 1:00 pm
RE: No ET! Ever? - by Mr Greene - February 18, 2017 at 3:31 pm
RE: No ET! Ever? - by Jehanne - February 18, 2017 at 4:20 pm
RE: No ET! Ever? - by Anomalocaris - February 18, 2017 at 11:43 pm
RE: No ET! Ever? - by Jehanne - February 18, 2017 at 11:50 pm
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 12:02 am
RE: No ET! Ever? - by Jehanne - February 19, 2017 at 9:04 am
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 9:18 am
RE: No ET! Ever? - by Jehanne - February 19, 2017 at 10:08 am
RE: No ET! Ever? - by Mr Greene - February 19, 2017 at 2:55 pm
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 3:29 pm
RE: No ET! Ever? - by Jehanne - February 19, 2017 at 3:37 pm
RE: No ET! Ever? - by Rhondazvous - February 18, 2017 at 7:43 pm
RE: No ET! Ever? - by Jehanne - February 18, 2017 at 8:20 pm
RE: No ET! Ever? - by ignoramus - February 18, 2017 at 8:10 pm
RE: No ET! Ever? - by Rhondazvous - February 19, 2017 at 6:59 pm
RE: No ET! Ever? - by ignoramus - February 19, 2017 at 7:29 pm
RE: No ET! Ever? - by Rhondazvous - February 19, 2017 at 8:34 pm
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 10:26 am
RE: No ET! Ever? - by Jehanne - February 19, 2017 at 12:48 pm
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 2:15 pm
RE: No ET! Ever? - by Jehanne - February 19, 2017 at 2:40 pm
RE: No ET! Ever? - by Gawdzilla Sama - February 19, 2017 at 2:26 pm
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 7:08 pm
RE: No ET! Ever? - by Rhondazvous - February 19, 2017 at 7:19 pm
RE: No ET! Ever? - by Anomalocaris - February 19, 2017 at 8:25 pm
RE: No ET! Ever? - by ignoramus - February 19, 2017 at 9:22 pm
RE: No ET! Ever? - by Rhondazvous - February 20, 2017 at 8:26 pm
RE: No ET! Ever? - by ignoramus - February 20, 2017 at 9:02 pm
RE: No ET! Ever? - by ignoramus - February 27, 2017 at 9:55 pm
RE: No ET! Ever? - by Anomalocaris - February 27, 2017 at 10:00 pm
RE: No ET! Ever? - by ignoramus - February 27, 2017 at 10:23 pm
RE: No ET! Ever? - by residentatheist - March 27, 2017 at 12:43 pm
RE: No ET! Ever? - by Gawdzilla Sama - March 27, 2017 at 1:24 pm
RE: No ET! Ever? - by residentatheist - March 27, 2017 at 2:30 pm
RE: No ET! Ever? - by Gawdzilla Sama - March 27, 2017 at 2:47 pm
RE: No ET! Ever? - by residentatheist - March 27, 2017 at 3:04 pm
RE: No ET! Ever? - by Gawdzilla Sama - March 27, 2017 at 4:22 pm
RE: No ET! Ever? - by residentatheist - March 27, 2017 at 4:29 pm
RE: No ET! Ever? - by Gawdzilla Sama - March 28, 2017 at 7:00 am
RE: No ET! Ever? - by Thumpalumpacus - March 27, 2017 at 5:02 pm
RE: No ET! Ever? - by residentatheist - March 27, 2017 at 6:03 pm
RE: No ET! Ever? - by ignoramus - March 27, 2017 at 5:26 pm
RE: No ET! Ever? - by SuperSentient - March 28, 2017 at 12:04 am
RE: No ET! Ever? - by Sal - March 28, 2017 at 7:53 am
RE: No ET! Ever? - by Gawdzilla Sama - March 28, 2017 at 8:16 am
RE: No ET! Ever? - by Sal - March 28, 2017 at 8:54 am
RE: No ET! Ever? - by Gawdzilla Sama - March 28, 2017 at 10:05 am



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