If We Could Have Turned a Receiver Toward the Heavens

question 123

Multiple Choice

If we could have turned a receiver toward the heavens in hopes of observing the cosmic microwave radiation 4.5 billion years ago,at the time the solar nebula was forming,what would we have found?

• A) We would have seen nothing since the CMB had not yet been created.
• B) We would have seen the same blackbody curve we see now, with a peak intensity at a wavelength of about 1 mm.
• C) We would have seen a blackbody curve of the same shape we see now but with a peak intensity at a wavelength shorter than 1 mm.
• D) We would have seen a blackbody curve of the same shape we see now but with a peak intensity at a wavelength longer than 1 mm.

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Definitions:

Customs

Governmental policies and regulations that control the import and export of goods to and from a country, including duties and inspections.

Implied Warranty

A legal term for the assumption that a sold good is fit for its intended purpose, even if not expressly stated.

Principal

The amount of money initially invested or loaned, in contrast to interest or profit earned from the investment.

Authority

The authority or capability to issue commands, make choices, and ensure compliance.