Who is Carl Sagan

Carl Edward Sagan (; SAY-gən; November 9, 1934 – December 20, 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the hypothesis, accepted since, that the high surface temperatures of Venus can be attributed to, and calculated using, the greenhouse effect.Initially an assistant professor at Ha...
Read Full Biography of Carl Sagan


Carl Sagan Poems

Read All Poems


Top 10 most used topics by Carl Sagan




Carl Sagan Quotes

Read All Quotes


Comments about Carl Sagan

Beautiful_str34: no. listening to carl sagan's talk on a reassuring fable/pale blue dot was revealing at the age 11..and shit hasn't changed. we've unfortunately devolved & perhaps its in our nature to create chaos..its not impossible, but it'll probably take mass traumatic events unfortunately &
Drsuneiljain: “one of the saddest lessons of history is this: if we've been bamboozled long enough, we tend to reject any evidence of the bamboozle. we're no longer interested in finding out the truth.” carl sagan
Markcranfield_: carl sagan basically knew everything that was going to happen. the public is completely at the mercy of a captured scientific community that does nothing more than reinforce the false narratives of davos elites.
Larckeningxuruo: "we are the product of a grand evolutionary sequence - cosmic evolution - of which we are only occasionally aware." carl sagan.
Nadjaskaljic: for small creatures such as we the vastness is bearable only through love - carl sagan
Read All Comments


Write your comment about Carl Sagan


Poem of the day

Thomas Hardy Poem
Her Reproach
 by Thomas Hardy

Con the dead page as 'twere live love: press on!
Cold wisdom's words will ease thy track for thee;
Aye, go; cast off sweet ways, and leave me wan
To biting blasts that are intent on me.

But if thy object Fame's far summits be,
Whose inclines many a skeleton o'erlies
That missed both dream and substance, stop and see
...

Read complete poem

Popular Poets