ahlam1399
01-11-2018, 07:00 AM
Scientists estimate our solar system formed around 4.6 billion years ago. It is located in the Milky Way galaxy.
أكثر... (http://www.cnn.com/videos/world/2017/10/27/solar-system-milky-way-galaxy-explained-lb-orig.cnn)
أكثر... (http://www.cnn.com/videos/world/2017/10/27/solar-system-milky-way-galaxy-explained-lb-orig.cnn)