I keep pondering the issue of life. What it means. Life on earth. We know that life on earth has existed for around 3.5 billion years, and that the sun will grow in intensity until it makes the earth uninhabitable to life in somewhere between 1.75 and 3.25 billion years from now.
Time is running out. Life on earth is somewhere in a late mid-life crisis. Continue reading “The Final Frontier”