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What temperature has the Big Bang has cooled to by now?
Three Dimensions
In geometry, this refers to objects or spaces that have height, width, and depth. In other contexts, it can refer to comprehensively considering various aspects of a subject or issue.
Closure
A Gestalt principle of perception; the tendency to complete figures that are incomplete.
Depth Perception
The ability to perceive the distance of an object and the three-dimensional characteristics of an environment.
Similarity
A measure of how closely two or more distinct objects, ideas, or concepts resemble each other in appearance, function, or properties.
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