Which Phenomenon Is NOT Produced by Collisions Between Galaxies

question 145

Multiple Choice

Which phenomenon is NOT produced by collisions between galaxies?

• A) hot interstellar gas, detected by recent space-borne X-ray telescopes
• B) concentration of galaxies into clusters and superclusters
• C) distorted spiral arms in many galaxies
• D) initiation of significant new star formation in so-called starburst galaxies

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Definitions:

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