"Standard Candles," Which Are Important for Finding Distances to Remote

question 68

Multiple Choice

"Standard candles," which are important for finding distances to remote galaxies,are

• A) standard laboratory light sources with which the brightness of a galaxy can be compared.
• B) heat sources used for calibrating infrared observations of galaxies.
• C) stars and other objects of known intrinsic brightness.
• D) laboratory light sources with a well-known spectrum for calibration of stellar and galactic spectra.

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Definitions:

Phonemes

The smallest units of sound in a language that are capable of conveying a distinction in meaning, such as the difference between the p in "pat" and the b in "bat."

Symbolism

The use of symbols to represent ideas or qualities in literature, art, and other forms of cultural expression.

Generativity

The concern in establishing and guiding the next generation, often seen during middle adulthood.

Metalinguistics

The ability to reflect upon and analyze language as an abstract system.