How far away can you get from home and still see it? On this day in 1990, Voyager 1 looked back toward the planet it launched from and saw half a pixel. Today's Sci-Fi 5 recalls how even that was enough to inspire a whole new perspective. Follow Sci-Fi 5 for your daily dose of science-fiction history. See Voyager 1's original "family photo". Written and hosted by Earl Green Music by Devin Curry