# Difference: MidaSol050612 (1 vs. 3)

#### Revision 322 Jun 2012 - SurinyeOlarte

Line: 1 to 1

 META TOPICPARENT name="ActiviTats050612"
```<--
-->```

```<--
-->```

# Astronomical Distancies: Activity 2The Size of the Sun

With the help of a camera obscura very simple to build we can find the angular size of the sun, and with it and a bit of trigonometry we obtain the size of the solar radius.

In the attached PDF file you will find the activity guide.

 META FILEATTACHMENT attachment="Mida_del_Sol_professor_alumne.pdf" attr="h" comment="" date="1321958622" moveby="SurinyeOlarte" movedto="ServiAstro.MidaSol050612.Mida_del_Sol_professor_alumne.pdf" movedwhen="1321959325" movefrom="ServiAstro.ActiviTats050612.Mida_del_Sol_professor_alumne.pdf" name="Mida_del_Sol_professor_alumne.pdf" path="Mida_del_Sol_professor_alumne.pdf" size="368321" user="SurinyeOlarte" version="1"
>
 META FILEATTACHMENT attachment="Mida_del_Sol_professor_alumne_2.pdf" attr="h" comment="" date="1340366149" name="Mida_del_Sol_professor_alumne_2.pdf" path="Mida_del_Sol_professor_alumne_2.pdf" size="422538" user="SurinyeOlarte" version="1"

#### Revision 222 Nov 2011 - SurinyeOlarte

Line: 1 to 1

 META TOPICPARENT name="ActiviTats050612"
```<--
-->```

```<--
-->```

# Astronomical Distancies: Activity 2The Size of the Sun

With the help of a camera obscura very simple to build we can find the angular size of the sun, and with it and a bit of trigonometry we obtain the size of the solar radius.

In the attached PDF file you will find the activity guide.

\ No newline at end of fileAdded: >
>
 META FILEATTACHMENT attachment="Mida_del_Sol_professor_alumne.pdf" attr="h" comment="" date="1321958622" moveby="SurinyeOlarte" movedto="ServiAstro.MidaSol050612.Mida_del_Sol_professor_alumne.pdf" movedwhen="1321959325" movefrom="ServiAstro.ActiviTats050612.Mida_del_Sol_professor_alumne.pdf" name="Mida_del_Sol_professor_alumne.pdf" path="Mida_del_Sol_professor_alumne.pdf" size="368321" user="SurinyeOlarte" version="1"

#### Revision 121 Oct 2011 - SurinyeOlarte

Line: 1 to 1
>
>
 META TOPICPARENT name="ActiviTats050612"
```<--
-->```

```<--
-->```

# Astronomical Distancies: Activity 2The Size of the Sun

With the help of a camera obscura very simple to build we can find the angular size of the sun, and with it and a bit of trigonometry we obtain the size of the solar radius.

In the attached PDF file you will find the activity guide.