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L'INFINITO


Il tema dell’ infinito è stato più volte trattato in diversi campi:
           nella scienza, in letteratura, in filosofia.




                       Esercizio 4 Bellosi Alessandra                 1
Perchè è stato oggetto di tante discussioni?




Credo che la risposta si possa trovare nel fatto che l’ infinito è un
concetto che rimanda a qualcosa che la nostra mente non riesce a
                             gestire.




                       Esercizio 4 Bellosi Alessandra                   2
Essendo esseri finiti come potremmo immaginare
              qualcosa di infinito?


Si tratta di un aspetto misterioso, oscuro, e proprio per questo suscita
   interesse.


                                    Credo che tutti, almeno una volta ci
                                               abbiamo riflettuto, o
   perlomeno ci siamo                                      interrogati sul
            significato più profondo di      questo termine.




                            Esercizio 4 Bellosi Alessandra                 3
Origine dell'universo e evoluzione
La scienza che studia l’ origine e l’ evoluzione dell’ universo è la
                            cosmologia .

              Si basa nello studiare ipostesi scientifiche;
 le principali leggi sull’ origine dell’ universo, entrambe basate sulla
                      Legge di Hubble sono due:

                            Teoria dell’
                        Universo Stazionario

                  Teoria dell’ Universo Inflazionario



                         Esercizio 4 Bellosi Alessandra                    4
Legge di Hubble




               v /d = H


  v = velocità di allontanamento
d = distanza in Mpc (megaparsec)




      Esercizio 4 Bellosi Alessandra   5
Esempio legge di Hubble
                Valore Costante H
D (Mpc)                                             V (km/s)
                (Km/s)/Mpc
0               73,8                                0
0,25                                                18,45
0,50                                                36,9
0,75                                                55,35
1                                                   73,8
1,25                                                92,25




                   Esercizio 4 Bellosi Alessandra              6
Esempio legge di Hubble
                Valore Costante H
D (Mpc)                                             V (km/s)
                (Km/s)/Mpc
0               73,8                                0
0,25                                                18,45
0,50                                                36,9
0,75                                                55,35
1                                                   73,8
1,25                                                92,25




                   Esercizio 4 Bellosi Alessandra              7
Esempio legge di Hubble
                    v (k m /s )
100
 90
 80
 70
 60
 50
                                                   v (k m /s)
 40
 30
 20
 10
  0
      1   2     3         4        5           6




              Esercizio 4 Bellosi Alessandra                    8
v (k m /s )
100
 90
 80
 70
 60
 50
                                                   v (k m /s)
 40
 30
 20
 10
  0
      1   2      3         4         5         6




              Esercizio 4 Bellosi Alessandra                    9

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Bellosi alessandra 2011-2012 esercizio 4

  • 1. L'INFINITO Il tema dell’ infinito è stato più volte trattato in diversi campi: nella scienza, in letteratura, in filosofia. Esercizio 4 Bellosi Alessandra 1
  • 2. Perchè è stato oggetto di tante discussioni? Credo che la risposta si possa trovare nel fatto che l’ infinito è un concetto che rimanda a qualcosa che la nostra mente non riesce a gestire. Esercizio 4 Bellosi Alessandra 2
  • 3. Essendo esseri finiti come potremmo immaginare qualcosa di infinito? Si tratta di un aspetto misterioso, oscuro, e proprio per questo suscita interesse. Credo che tutti, almeno una volta ci abbiamo riflettuto, o perlomeno ci siamo interrogati sul significato più profondo di questo termine. Esercizio 4 Bellosi Alessandra 3
  • 4. Origine dell'universo e evoluzione La scienza che studia l’ origine e l’ evoluzione dell’ universo è la cosmologia . Si basa nello studiare ipostesi scientifiche; le principali leggi sull’ origine dell’ universo, entrambe basate sulla Legge di Hubble sono due: Teoria dell’ Universo Stazionario Teoria dell’ Universo Inflazionario Esercizio 4 Bellosi Alessandra 4
  • 5. Legge di Hubble v /d = H v = velocità di allontanamento d = distanza in Mpc (megaparsec) Esercizio 4 Bellosi Alessandra 5
  • 6. Esempio legge di Hubble Valore Costante H D (Mpc) V (km/s) (Km/s)/Mpc 0 73,8 0 0,25 18,45 0,50 36,9 0,75 55,35 1 73,8 1,25 92,25 Esercizio 4 Bellosi Alessandra 6
  • 7. Esempio legge di Hubble Valore Costante H D (Mpc) V (km/s) (Km/s)/Mpc 0 73,8 0 0,25 18,45 0,50 36,9 0,75 55,35 1 73,8 1,25 92,25 Esercizio 4 Bellosi Alessandra 7
  • 8. Esempio legge di Hubble v (k m /s ) 100 90 80 70 60 50 v (k m /s) 40 30 20 10 0 1 2 3 4 5 6 Esercizio 4 Bellosi Alessandra 8
  • 9. v (k m /s ) 100 90 80 70 60 50 v (k m /s) 40 30 20 10 0 1 2 3 4 5 6 Esercizio 4 Bellosi Alessandra 9