Referring to the Figure Below, What Is the Angular Diameter

question 27

Multiple Choice

Referring to the figure below, what is the angular diameter of Neptune if its diameter is 50,000 km and its distance is 30 astronomical units (AU) ? Recall that 1 AU = 1.5 * 10¹¹ meters.

• A) 45 arcseconds
• B) 30 arcseconds
• C) 20 arcseconds
• D) 10 arcseconds
• E) 2 arcseconds

---

Definitions:

Musically-gifted Peers

Individuals of the same age group who possess exceptional musical talents or aptitudes.

Faculty of Music

An academic division or department within a college or university, specializing in the study of music and its performance.

Epidemiological Study

Research that studies the patterns, causes, and control of diseases in groups of people, aiming to identify risk factors and preventative measures.

Incidence

The number of new cases of a disease or condition that appear in a specific population within a certain period of time.