Audio File   5,000,000,000 years ago, our sun was a comparatively isolated blazing orb, having gathered to itself most of the near-by circulating matter of space, remnants of the recent upheaval which attended its own [More]
Audio File   THE PLANET-FORMING ERA Subsequent to the birth of our solar system a period of diminishing solar disgorgement ensued. Decreasingly, for another five hundred thousand years, the sun continued to pour forth diminishing [More]