- en.wikipedia.org Carl SaganScience is more than a body of knowledge; it is a way of thinking. I have a foreboding of an America in my children's or grandchildren's time – when the United States...
- uk.wikipedia.org Карл СаганКарл Едвард Саган (англ. Carl Edward Sagan 9 листопада 1934, Нью-Йорк — 20 грудня 1996, Сіетл, США) — американський астроном і науковець.
- youtube.com channel/UCsqs2kEdAJjP_1DdIqU09BA
- SpaceGid.com karl-sagan.htmlСемья и детство. Карл Саган появился на свет 9 ноября 1934 года в Нью-Йорке в религиозной еврейской семье.
- imdb.com name/nm0755981/
- britannica.com biography/Carl-SaganCarl Sagan, American astronomer and science writer. A popular and influential figure in the United States, he was controversial in scientific, political, and religious...
- archive.org details/cosmos_201910
- thoughtco.com carl-sagan-biography-4165917Carl Sagan was an astronomer and a science popularizer who educated the public about the universe and the value of the scientific method.
Карл Саган