Happy birthday Carl Sagan. I wish you could come back to life and teach us all about the stars again. Standard Happy birthday Carl Sagan. I wish you could come back to life and teach us all about the stars again. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Click to email a link to a friend (Opens in new window)
