Carl Sagan Quotes About Gas

Quotes about: Gas

• Coal, oil and gas are called fossil fuels, because they are mostly made of the fossil remains of beings from long ago. The chemical energy within them is a kind of stored sunlight originally accumulated by ancient plants. Our civilization runs by burning the remains of humble creatures who inhabited the Earth hundreds of millions of years before the first humans came on the scene. Like some ghastly cannibal cult, we subsist on the dead bodies of our ancestors and distant relatives. - Dr. Carl Sagan

  Carl Sagan

  Running, Humble, Long Ago

  Carl Sagan (2011). “Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium”, p.104, Ballantine Books

• A galaxy is composed of gas and dust and stars - billions upon billions of stars. Every star may be a sun to someone.

  Carl Sagan

  Stars, Dust, May

  Cosmos ch. 1 (1980). Sagan denied using the phrase "billions and billions," as caricatured by comedian Johnny Carson, but the above quote approaches that phrase, and Sagan was extremely fond in his writing of the word billion or billions.

• Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon contact with water. Together they make a placid and unpoisonous material, table salt. Why each of these substances has the properties it does is a subject called chemistry.

  Carl Sagan

  War, Science, Water

  Carl Sagan (1979). “Broca's brain: reflections on the romance of science”, Random House Inc

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