Carl Sagan
random
Ymper Trymon
tags
astronomer
human being
dead at the moment
Wikidata
https://www.wikidata.org/wiki/Q410
Wikimedia
https://commons.wikimedia.org/wiki/Category:Carl_Sagan
Wikipedia
https://en.wikipedia.org/wiki/Carl_Sagan
Wikiquote
https://en.wikiquote.org/wiki/Carl_Sagan
wikisource
https://en.wikisource.org/wiki/Author:Carl_Sagan
xkcd
