image of Карл Сейгън

Карл Сейгън

... Unknown

Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium, published by Random House in 1997, is the last book written by renowned American astronomer and science popularizer Carl Sagan before his death in 1996. The book is a collection of essays Sagan wrote covering diverse topics like global …

... Unknown