In What Way Did Optical Illusion Mislead Earlier Visual Observers

question 113

Multiple Choice

In what way did optical illusion mislead earlier visual observers of Mars?

• A) Chance alignments of faint dark features looked like manufactured canals, and variable dark areas near the equator were interpreted as vegetation.
• B) Moving areas of obscured detail on the planet were interpreted as massive flash floods rather than dust storms.
• C) Apparent movement of surface features due to seeing fluctuations of images when viewed through Earth's atmosphere were interpreted as evidence of movement of life-forms, or Martians.
• D) Volcano structures were seen as eye-shaped images and were interpreted as having been made by intelligent beings to indicate their presence on Mars.

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Definitions:

Natural Variation

Variability that affects every production process to some degree and is to be expected; also known as common cause.

Standard Deviations

A measure of the amount of variation or dispersion of a set of values, indicating how much individual data points differ from the mean.

Statistical Process Control Charts

Graphical tools used for monitoring, controlling, and improving processes by identifying variations.

Process Variables

Elements or factors within a process that can be adjusted to affect the outcome, often used in manufacturing and control systems.