Dátum: Wed, 13 Mar 2013 10:47:31 +0100
Feladó: Gyula Gyulasor
Tárgy: The helical model
*The helical model - our solar system is a vortex *
*https://www.youtube.com/watch?feature=player_embedded&v=0jHsq36_NTU*
*https://www.youtube.com/watch?feature=player_embedded&v=C4V-ooITrws*
* *