You’ve heard it said that life is fragile. It’s true. When you stop and consider the precision necessary for life, you can’t help but realize how precarious life really is. Take earth’s position in our galaxy for example. Earth is located in what is known as the habitable zone (also known as the Goldilocks zone). This region is the perfect distance from our sun for liquid water to exist in our planet. If the planet was any closer to the sun, water would vaporize; any farther and water would freeze. Water is absolutely necessary for our form of life to exist so as you can see, our existence depends on us remaining in this very limited, habitable zone….READ MORE