Elliptical Galaxies Appear Red Because

question 81

Multiple Choice

Elliptical galaxies appear red because:

• A) they are moving away from us
• B) they contain mostly ionized hydrogen gas
• C) they contain mostly old stars
• D) they contain lots of dust
• E) they contain a mix of old and young stars

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Definitions:

Mental Ability Test

A standardized assessment designed to measure a person's cognitive abilities, intelligence, or specific aptitudes.

Problem Solving

The process of working through details of an issue to reach a solution.

Representativeness Heuristic

A cognitive shortcut in which the likelihood of an object belonging to a category is evaluated based on how similar it is to a typical object from that category.

Algorithms

Step-by-step procedures or formulas for solving problems or completing tasks, used in mathematics and computer programming.