What Makes It Science? Choose a single idea in the modern view of the cosmos as discussed in Chapter 1 such as "The universe is expanding," 'The universe began with a Big Bang," "We are made from elements manufactured by stars," or "The Sun orbits the center of the Milky Way Galaxy once every 230 million years."
a. Describe how this idea reflects each Of the three hallmarks Of science, discussing how it is based on observations. how our understanding Of it depends on a model, and how that model is testable.
b. Describe a hypothetical observation that, if it were actually made, might cause us to call the idea into question Then briefly discuss whether you think that, overall, the idea is likely or unlikely to hold up to
future observations.
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The Cosmic Perspective (9th Edition)
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