(Source: kitten-little)

(Source: kitten-little)

(Source: star-jockey)

astrotastic:

tastysynapse:

Zen Pencils Comic: 100. CARL SAGAN: Pale blue dot

excuse me, no one is allowed to make me cry like that

Happy Birthday, Carl Sagan. For years you taught young and old alike to wonder and to think critically. You were a model scientist and a great man.

(Source: witaminb)

(Source: previsualist)

Sagan and son

(Source: no-other-lover)

The design appearing on the Pioneer 10 and Pioneer 11 spacecrafts.

(Source: jacquilayne)

Carl Sagan