We live on a planet in the Solar System that has eight other planets, its an amazing fact when one ponders on the nature of the other planets. In studying the harsh conditions that would extinguish life as we know it on the other planets its easy to appreciate the miracle of life on Earth. This appreciation of the gifts of our planet is a feeling we should not ignore or take lightly because there simply is no replacement for Earth if we mess up our planet. The other planets of our Solar System are wonderments in their own regard and their variety in size, composition and conditions is a testament to nature's propensity for diversity. This is what the study of our Solar System means to me–that nature is diverse so too is our individual lives diverse. This diversity among all of us and the many forms of life that we share this planet with is a reflection of nature in us. We must choose to cherish and nurture this diversity otherwise nature will make our own survival perilous. We should not take lightly the extinction of species that have evolved on Earth over billions of years because life on Earth is a delicate balancing act of nature in which every micro-organism, plant and animal has a part to play. If a species goes extinct something or someone needs to do its work in propping up life on Earth. We can't live in the harsh chemical and physical conditions of Venus and on Mars we cannot walk around and breathe the air freely as we do here. We have our planet and thats all we have to pass on to following generations. Understand where we live in as big a context as you can take in and you will appreciate where we are and what we have.
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