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EratosNoon septembre 2007



Pyrrhocoris apterus...
the firebug is the cherche-midi (literally noon seeker in French)

el chinche roja es el Cherche-Midi (literalmente buscador de mediodía en Francés)

Thursday, June 7, 2007

Let the great scientist Eratosthenes think! Laissons le grand savant Eratosthène penser!




Posted by Antonin Perbosc at 4:09 AM No comments:

Wednesday, June 6, 2007

(Carl Sagan) Eratosthenes experiment. L'expérience d'Eratosthène



Version doublée en français

Original version in english
Posted by lafontaine at 11:58 PM No comments:
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ephemeride يبهيميريدي

day

month

year

Latitude

°'

Longitude

°'

angle

°'

shadow length

Solar midday

Angle is measured from vertical.Gnomon is 1m high. Time is in UTC

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latitude #1

°

'

''

latitude #2

°

'

''


Différence

°

'

''

Distance

x 111.11 =


kilomètres

Conversion

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decimal deg :

deg/min/sec :

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Fête de la science 2007

Fête de la science 2007
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Windows XP Service Pack 2 (SP2)

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Blog Archive

  • ▼  2007 (41)
    • ►  October (3)
    • ►  September (33)
    • ►  August (2)
    • ▼  June (2)
      • Let the great scientist Eratosthenes think! ...
      • (Carl Sagan) Eratosthenes experiment. L'expérience...
    • ►  January (1)
  • ►  2001 (6)
    • ►  September (6)
  • ►  2000 (3)
    • ►  October (2)
    • ►  September (1)

Contributors

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  • Daniel Cuch
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  • Kali
  • The Abba's Orchard
  • lafontaine
 

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date

(Day/Month/Year)

DD

MM

YYYY

latitude

(+N/-S)

degrees

minutes

longitude

(+E/-O)

degrees

minutes






angle

(from vertical)

decimal deg



degrees

minutes

Gnomon 1m

(shadow length)


centimeters

Solar midday

(in Universal Time)