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There is a wide yawning black infinity. In every direction the extension is endless, the sensation of depth is overwhelming. And the darkness is immor...more

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The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

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We are all star stuff.

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We are a way for the cosmos to know itself

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The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.

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The total amount of energy from outside the solar system ever received by all the radio telescopes on the planet Earth is less than the energy of a si...more

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The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us -- there is a tingling in the spine, a catch in th...more

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We will know which stars to visit. Our descendants will then skim the light years, the children of Thales and Aristarchus, Leonardo and Einstein.

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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.

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The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.

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Meanwhile the Cosmos is rich beyond measure: the total number of stars in the universe is greater than all the grains of sand on all the beaches of th...more

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We are a way for the cosmos to know itself.

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Before we invented civilization our ancestors lived mainly in the open out under the sky. Before we devised artificial lights and atmospheric pollutio...more

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I worry that, especially as the Millennium edges nearer, pseudoscience and superstition will seem year by year more tempting, the siren song of unreas...more

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Think of how many religions attempt to validate themselves with prophecy. Think of how many people rely on these prophecies, however vague, however un...more