Saving Planet Earth small – is valuable, if we wish to ensure a future that is healthy for all life on planet Earth so we have to save earth from various types of Pollution, Waste food, Drained Water etc. The earth is our mother planet in which we born and understand learn to speak, learn to walk and learned everything that we are now able to do. "It is only planet in our solar system on which life exists which incredible biodiversity. People all over the world celebrate this grand event all to protect flora and fauna and clean up the earth on
Formation and evolution of the Solar System 98% of its mass. The remaining 2% of the mass consisted of heavier elements that were created by nucleosynthesis in earlier generations of stars. Late in the life of these stars, they ejected heavier elements into the interstellar medium. The oldest inclusions found in meteorites, thought to trace the first solid material to form in the pre-solar nebula, are 4568.2 million years old, which is one definition of the age of the Solar System. Studies of ancient meteorites reveal traces of stable daughter nuclei of short-lived isotopes, such as iron-60, that only form in exploding, short-lived stars. This indicates that