A Star Has a Parallax Angle of 0

question 19

Short Answer

A star has a parallax angle of 0.019 seconds of arc.  How far away is this star from Earth?

Understand the impact of digital tools, like PowerPoint and laptops, on classroom attendance and engagement based on statistical correlations.

Relate the amount of time students spend on certain activities to their likelihood of engaging in undesired behaviors or performance outcomes.

Comprehend the effects of arousal on performance and how it exemplifies nonlinear relationships.

Distinguish between correlation and causation and the limitations of correlation coefficients in implying causality.

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Definitions:

Prefix

A morpheme added to the beginning of a word to alter its meaning or create a new word.

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the diameter and size of the pupil, thus the amount of light reaching the retina.

Pupil

The opening in the center of the iris of the eye that adjusts size to regulate the amount of light entering the eye.

Enucleation

The surgical removal of an organ or tumor, often used to refer to the removal of the eyeball without damaging surrounding tissues.