Happy 84th birthday Carl Sagan! RIP wherever you are and thank you for having the foresight and determination to make NASA take this photo of our home planet as a single pixel illuminated by a ray of light in the stellar void of Space [453x614] via /r/spaceporn https://ift.tt/2z4A7Y6
via Tumblr https://ift.tt/2zFqDlG
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