Assume That the Universe Is 14 Billion Years Old

question 113

Multiple Choice

Assume that the universe is 14 billion years old. If we look at a galaxy that is 12 billion light years away, we see it as it was 12 billion years ago, when the universe was only 2 billion years old. Thus, simply by looking to great distances, we can see what parts of the universe looked like when the universe was younger. The key limitation to this ability is the power of our telescopes. Jeffrey Bennett, et al., The Cosmic Perspective, 3^rd edition

• A) Nonargument.
• B) Argument; conclusion: The key limitation ... power of our telescopes.
• C) Argument; conclusion: Simply by looking ... universe was younger.
• D) Argument; conclusion: Assume that the universe is 14 billion years old.
• E) Argument; conclusion: If we look at a galaxy ... 2 billion years old.

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Blended Families

Families formed by the merging of two previously separate units into a single household, which may include step-parents, step-siblings, and half-siblings.

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