Tipo | Enlace |
Descripción | The Sun is a yellow dwarf star at the centre of our Solar System. It is 4.5 billion years old and has converted about half of the hydrogen in its core into helium. The Sun is the most popular star. It gives life for the whole universe. It has prodigiously energy. As everyone knows the sun grows rapidly. That means, the amount of his energy is growing as well. So if you install a photo... |
Etiquetas | |
Autor | Maria Frank |
Enlazado por | ViSH |
Idioma | Inglés |
Creado | 05 de agosto de 2015 13:08 |
Última modificación | 14 de septiembre de 2016 13:27 |