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17 October, 21:54

A: Carl Sagan wrote extensively on people's connections to the universe. What does Sagan mean when he says that, "we are star stuff?"

B: Do you agree with Sagan's assessment of people's connection to the universe? Explain your answer based on what you know about the life and death of stars.

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  1. 17 October, 22:22
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    See the explanation below.

    Explanation:

    A)

    He was trying to say that everything that exists on this planet is a product of the explosion of stars billions of years ago and that the elements that were originated by the high temperatures of such an explosion are present on our planet, the human beings have chemical elements within our bodies such as carbon, oxygen, and hydrogen, these same elements are found in stars in the different galaxies.

    B)

    I agree with what was explained by Carl Sagan, the stars are born as a result of the death of other stars when the stars are small, its death consists only in an increase in volume followed by a collapse where it is reduced in size, but the stars of a considerable size such as Aldebaran, Antares, and others, their fate will be different they will explode, such explosion will generate great energy that will form the chemical elements and clouds of great density, depending on the gravitational interactions, a new star will be formed the heavier elements that revolve around the new star will be compacted generating new planets, thus generating a new solar system, which can last billions of years to form.
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