'Very spectacular' presentation slideshows

Invitation for cooperation at :

440 views • 27 slides

The History of the Earth

The History of the Earth. How do we know how the solar systems are formed?. It takes a very long time for a solar system to form; therefore we cannot observe the formation of a solar system. How do we know how solar systems are formed? Lifecycle of a Frog Example:

499 views • 22 slides

You will see a very spectacular picture

You will see a very spectacular picture. What is so spectacular on it?. This picture shows a rock on a sea in Birmania, it is only possible to see this once a year with a special angle of the sun and special light conditions. Bend your head to the left and see how spectacular it is.

196 views • 7 slides