The figure below shows the apparent position of star A on the sky at two different positions in Earth's orbit.How far away is the star? 
Definitions:
Chronic Ear
Refers to long-term ear conditions, often characterized by persistent infections or complications affecting the ear's structure and function.
Hearing Impairment
A partial or total inability to hear sounds in one or both ears.
Diminished Sense
A reduction in the capacity to perceive or experience stimuli through any of the senses, such as sight, hearing, touch, taste, or smell.
Xerostomia
A medical condition characterized by dry mouth due to reduced or absent saliva flow, often causing discomfort and dental problems.
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