Categories General Earth Day, 2010 — Carl Sagan’s Pale Blue Dot Post author By Brent Logan Post date April 22, 2010 No Comments on Earth Day, 2010 — Carl Sagan’s Pale Blue Dot Tags Carl Sagan, Earth Day, pale blue dot By Brent Logan Engineer. Lawyer. WordPress geek. Longboarder. Blood donor. Photographer. Ally. More about Brent. View Archive → ← Name a Star for Free → Wireless Power Transmission, Part VI Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.