Why Did Carl Sagan Say That We Are Star Stuff

question 38

Multiple Choice

Why did Carl Sagan say that we are star stuff?

• A)The composition of most stars (mostly hydrogen and helium)is about the same as the composition of our bodies.
• B)Cosmic rays reaching Earth from distant astronomical sources may be one source of mutations that help evolution along.
• C)Nearly every atom from which we are made once (before the solar system formed)was inside of a star.
• D)Nearly every atom from which we are made was once inside our star,the Sun.
• E)Sagan thought that all of us have the potential to be movie (or TV)stars like he was.

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Definitions:

Time

A continuous, irreversible sequence in which events occur from the past, through the present, into the future.

Materials Contract

is an agreement specifying the terms regarding the supply and purchase of materials needed for a particular service or operation.

Subscription Revenue Model

Charging customers to gain continuous access to a product or service.

Continuous Access

Uninterrupted availability or entry to a service, resource, or facility over time.