Moon - Crust - Oceans

Error message

  • Notice: Undefined variable: errno in drupal_http_request() (line 919 of /var/www/virtual/riccardo.is/humanprogress.net/htdocs/includes/common.inc).
  • Notice: Undefined variable: errstr in drupal_http_request() (line 920 of /var/www/virtual/riccardo.is/humanprogress.net/htdocs/includes/common.inc).
  • Notice: Undefined variable: errno in drupal_http_request() (line 919 of /var/www/virtual/riccardo.is/humanprogress.net/htdocs/includes/common.inc).
  • Notice: Undefined variable: errstr in drupal_http_request() (line 920 of /var/www/virtual/riccardo.is/humanprogress.net/htdocs/includes/common.inc).
Undefined
Scope: 

(around some 4.200 Million years ago: the year 016 on the 100 year time-scale)

The three fundamental concepts for an earth as we know now: the moon, the crust and the oceans, appear to have come into existence very soon after the formation of the planet, but the exact time and sequence is not very clear, although they seem to have happened in a relatively short time from one another.

 

Plate tectonics 

 

 

Formation of the oceans