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  #1  
Old October 19th 06, 10:58 PM posted to sci.astro.amateur
[email protected][_1_]
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Default back in time

if vega is 26 light years from our sun how many hours are we looking
back in time when we view vaga
thanks bill


  #2  
Old October 19th 06, 11:01 PM posted to sci.astro.amateur
Algomeysa2
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Default back in time


wrote in message
oups.com...
if vega is 26 light years from our sun how many hours are we looking
back in time when we view vaga
thanks bill


26 times the number of hours in a year...


  #3  
Old October 19th 06, 11:29 PM posted to sci.astro.amateur
darkfield
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Default back in time


wrote in message
oups.com...
if vega is 26 light years from our sun how many hours are we looking
back in time when we view vaga
thanks bill



it's actually 25.27 light years away.

so 25.27*24*365


  #5  
Old October 20th 06, 07:43 AM posted to sci.astro.amateur
Educate
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Default back in time



darkfield wrote:

wrote in message
oups.com...
if vega is 26 light years from our sun how many hours are we looking
back in time when we view vaga
thanks bill



it's actually 25.27 light years away.

so 25.27*24*365


I met Actually once. He disappeared immediately.


  #7  
Old October 20th 06, 04:17 PM posted to sci.astro.amateur
canopus56
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Default back in time

"Sam Wormley" wrote in message
news:ha4_g.246050$1i1.39764@attbi_s72...
See: http://www.google.com/search?q=25.27...%2F+c+in+hours


That's a pretty cool calculator feature in Google. It even properly decoded:

http://www.google.com/search?q=7.75+...%2F+c+in+hours

and

http://www.google.com/search?hl=en&l...rs&btnG=Search

But this one incorrectly returned 499 seconds:

http://www.google.com/search?q=1.0+a...F+c+in+seconds




  #8  
Old October 20th 06, 04:26 PM posted to sci.astro.amateur
Sam Wormley
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Default back in time

canopus56 wrote:
"Sam Wormley" wrote in message
news:ha4_g.246050$1i1.39764@attbi_s72...
See: http://www.google.com/search?q=25.27...%2F+c+in+hours


That's a pretty cool calculator feature in Google. It even properly decoded:

http://www.google.com/search?q=7.75+...%2F+c+in+hours

and

http://www.google.com/search?hl=en&l...rs&btnG=Search

But this one incorrectly returned 499 seconds:

http://www.google.com/search?q=1.0+a...F+c+in+seconds





Looks accurate to me...
http://www.google.com/search?q=1+AU+%2F+c
http://www.google.com/search?hl=en&l...F+c+in+seconds
  #9  
Old October 20th 06, 05:12 PM posted to sci.astro.amateur
Paul Schlyter[_2_]
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Posts: 893
Default back in time

In article ,
canopus56 wrote:

But this one incorrectly returned 499 seconds:

http://www.google.com/search?q=1.0+a...F+c+in+seconds


....and what would you want instead? The light-time of one AU happens
to be very close to 499 seconds.....


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Paul Schlyter, Grev Turegatan 40, SE-114 38 Stockholm, SWEDEN
e-mail: pausch at stockholm dot bostream dot se
WWW: http://stjarnhimlen.se/
  #10  
Old October 20th 06, 05:12 PM posted to sci.astro.amateur
Paul Schlyter[_2_]
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Posts: 893
Default back in time

In article 1V5_g.202348$FQ1.142843@attbi_s71,
Sam Wormley wrote:
canopus56 wrote:
"Sam Wormley" wrote in message
news:ha4_g.246050$1i1.39764@attbi_s72...
See: http://www.google.com/search?q=25.27...%2F+c+in+hours


That's a pretty cool calculator feature in Google. It even properly decoded:

http://www.google.com/search?q=7.75+...%2F+c+in+hours

and

http://www.google.com/search?hl=en&l...rs&btnG=Search

But this one incorrectly returned 499 seconds:

http://www.google.com/search?q=1.0+a...F+c+in+seconds





Looks accurate to me...
http://www.google.com/search?q=1+AU+%2F+c
http://www.google.com/search?hl=en&l...F+c+in+seconds


One thing I'm missing in this nice "Google calculator" is trig functions
whoch work in degrees. Almost all trig equipped pocket calculators have
that, so why not also Google? Or perhaps it's there but I just don't know
the name of the trig functions in degrees? Oh, I just found it! One simply
writes e.g.:

sin(30 degrees)

:-)


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Paul Schlyter, Grev Turegatan 40, SE-114 38 Stockholm, SWEDEN
e-mail: pausch at stockholm dot bostream dot se
WWW: http://stjarnhimlen.se/
 




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