Planet Earth <Tab/>Welcome to planet Earth. Although Earth's basic structure is similar to several other planets, Earth is the only planet that is able to sustain life. Actually, Earth is unique and special in many ways. Why does Earth, the third rock from the Sun, have the unique ability to allow humankind to thrive on its surface? What makes this revolving ball capable of providing an atmosphere so conducive to …showed first 75 words of 858 total…

…showed last 75 words of 858 total…of the Sun. Each piece of the equation must be intact or the perfect planet we live on could not sustain us. One can appreciate the importance of Earth when faced with the realization that this is the only place, outside of an artificial environment, where life can survive. Reference Bennett, J., Donahue, M., Schneider, N. & Voit, M. (2004). Cosmic perspective third edition. <Tab/>San Francisco, CA: Pearson Education, Inc.