As a child, I remember laying in my grandparents yard on delightfully dark nights while gazing at the clearly visible glow of our galaxy – the Milky Way – and the sparkle of uncountable twinkling stars. Star-gazing gave me a sense of wholeness and complete peace and calm, as any earthly problems I had lost their significance when compared to the vastness and timelessness of space itself.
Unfortunately, suburban sprawl and accompanying light pollution have enveloped the area where I grew up, making it impossible to view the contours of our galaxy without the aid of a telescope. Still, that feeling of personal insignificance in the larger scheme of the universe has stayed with me throughout my life.
After seeing images of a distant Earth taken by Voyager 1 in 1990 as it headed for the outer limits of our solar system, American astronomer and well-known science educator Carl Sagan…
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