Panel (b) of the figure below shows the enhanced infrared glow obtained after nearby stars and galaxies are subtracted from a standard Spitzer Space Telescope exposure.Scientists ascribe this faint signature to 
Definitions:
Microphone
A device that converts sound waves into electrical signals for amplification, recording, or transmission.
Topic Sentence
A sentence that expresses the main idea of the paragraph in which it occurs, serving as a summary or introduction to the content that follows.
Walt Disney
An American film producer, director, screenwriter, voice actor, and animator, founder of The Walt Disney Company.
Oswald The Rabbit
An early animated cartoon character created by Walt Disney and Ub Iwerks, predating Mickey Mouse and known for its significance in animation history.
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