### Author Topic: 6.1  (Read 112 times)

#### tabjone

• Member
• Posts: 61
##### 6.1
« on: 06. April 2021, 10:16:36 »
How do you choose the typical lenght scale L?

#### Frederik Clemmensen

• Global Moderator
• Member
• Posts: 173
##### Re: 6.1
« Reply #1 on: 07. April 2021, 13:40:09 »
It is the size of the system we are looking at. In the text, there is an example with balloons in a sports stadium, where there is 1m between the balloons and the stadium is 100 meters long. In exercise 6.1 in the two cases it is the size of the galaxy and the galaxy cluster.