Carl Sagan’s ‘Cosmos’ – II: The universe inside

More interesting facts and reflections from the series ‘Cosmos: A Personal Voyage’ by Carl Sagan:

“We are in the suburbs, in the countryside of the galaxy.”

“The written record of human history occupies only the last 10 seconds of the cosmic year.”

“The DNA is written in a language billions of years older than any human tongue (…) the language of life.”

“There are as many atoms in one DNA molecule as there are stars in a typical galaxy.”

“We are made of trillions of cells…within us, is a little universe.”

“Atoms are mainly empty space; matter is composed chiefly of nothing.”

“The equivalent of 20 million volumes worth of information is inside the head of every one of us. The brain is a very big place in a very small space.”

“The brain library has 10 thousand times more information in it than the gener library. Our passion for learning is our tool for survival.”

“Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.”

“We are star stuff harvesting sunlight.”

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