Rock Around the Sun
It seems appropriate as we start a new year to look around and see where we are. Okay, where are we? We are the dominant species on a rock circling a star that is one of 200 billion stars in the Milky Way galaxy. Billions! Think of that! But it gets better: our galaxy itself is one of 100+ billion other galaxies, making up the enormity that is our known cosmos. Frankly it's impossible to imagine the immensity, too big to comprehend, leading to us shaking our heads and giving up. But stay with me here because its important. This universe is very old, currently pegged as 13.75 billion years (give or take a billion) since the Big Bang started it all. Even stranger, science is beginning to find evidence that there may be other universes, perhaps as many as there are stars, with new universes popping into existence (their own Big Bangs), lasting mind-boggling amounts of time, and then dying out. As we go about our daily activities on the planet Earth it's both exciting and ...