What Did Carl Sagan Mean When He Said That We

question 90

Multiple Choice

What did Carl Sagan mean when he said that we are all "star stuff"?

• A)that the Earth formed at the same time as the Sun
• B)that the carbon, oxygen, and other elements essential to life were created by nucleosynthesis in stellar cores
• C)that the universe contains billions of stars
• D)that the Sun formed from the interstellar medium: the "stuff" between the stars
• E)that life would be impossible without energy from the Sun

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Definitions:

Semiannually

Semiannually refers to an occurrence that happens twice a year, typically at six-month intervals.

Yield to Maturity

The total return anticipated on a bond if it is held until the date it matures.

Annual Coupon

The annual interest payment received by bondholders, expressed as a percentage of the bond's face value.

Par Value

The face value of a bond or stock, as designated by the issuing company, which may not reflect the market value.