The Current Temperature of the Cosmic Microwave Background Radiation of 2.73

question 11

Multiple Choice

The current temperature of the cosmic microwave background radiation of 2.73 K means that the peak of its spectrum occurs at a wavelength of:

• A) gamma rays.
• B) infrared.
• C) microwaves.
• D) ultraviolet.

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Definitions:

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A disorder that produces blindness and muscle degeneration prior to death; there is no treatment.

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A disorder produced by injury to a gene on the X chromosome, producing mild to moderate mental retardation.

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A genetic blood disorder causing red blood cells to assume a rigid, sickle shape, leading to blockages in blood flow and various complications.