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Carl Sagan

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Ava Cookie

on 22 November 2013

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Transcript of Carl Sagan

Carl Sagan
Sagan lived in Ithaca (a place in New York) and Brooklyn. However, he often traveled to different places.
Carl married three times.
His last marriage was to was Ann Druyan (1981-1996)
His second marriage was to
Linda Salzman Sagan (1968–1981), His first wife was Lynn Margulis (1957–1965)
Sagan went to Rahway High School, then to the University of Chicago.

He studied planets and extraterrestrial intelligence (aliens).

At Cornell he earned a master's degree in physics, astronomy.

Carl received many NASA medals.

Carl's parents sparked his interest in science when they bought him a chemistry set. Since his childhood, Sagan was interested in space. He learned about many science fiction stories to see if they had any truth to them.
Carl Sagan was born November 9th, 1934 in Brooklyn.

His father, Samuel Sagan, was an immigrant from Russia who worked with garments.

His mother, Rachel Molly Gruber, was a housewife in New York.

He had a sister named Carol.

By: Lin Greenberg and Ava Zhang
He went to the University of Chicago
Founded the
Planetary Society
Nationality: American
Religion: Criticized religion but denied being Atheist
He is a Scorpio
Carl had 5 children: Nick, Dorion, Jeremy, Sasha, and Samuel.
"Somewhere, something incredible is waiting to be known." -Carl Sagan

In 1968, he was director of Cornell's Laboratory for Planetary Studies.

He taught at Harvard where he became an actual teacher. He also taught at Cornell to graduates and under graduates.

He is co-founder of the Planetary Society, a 10,000 people organization with an interest in space.

He was the editor of Icarus for 12 years, a journal based around space.

Sagan also had his own TV show called Cosmos: A Personal Voyage
"The brain is like a muscle. When we use it we feel very good. Understanding is joyous." -Carl Sagan
Fun Fact (or is it?)
Sagan often wondered if there could be a greenhouse on Venus and if dust was the cause of the changing seasons on Mars.
Sagan was also an author; some books he wrote were:
and more!
"Imagination will often carry us to worlds that never were. But without it we go nowhere." - Carl Sagan
This guy
He died December 20th, 1996. He suffered from myelodysplasia, and died from pneumonia.
He was the guy we saw in the video about noon and shadows
Fun Fact
Asteroid 2709 Sagan is named after him!
Scientific Discoveries
Sagan was a major contributor to our understanding of seasonal changes on Mars.It's important because people thought Mars was full with vegetation before, and his discovery lead to a chain of other important discoveries about Mars.

He was also the first to correctly describe the atmosphere on Venus.

Sagan said Saturn's moon Titan and Jupiter's moon Europa have oceans or lakes, which later was proven to be correct.
People he worked with
Bruce Murray:colleague

He got interested in UFOs when he sent a letter to U.S. Secretary of State Dean Acheson, and talked about them a lot with Jacques Vallée and Dr. J Allen Hynek.

Sagan worked with a number of different people in the astronomy field and other fields.

General Info
“Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.” -Carl Sagan
Full transcript