# Aside from developing the system of concentric spheres upon which the epicyclic Ptolemaic arrangement of the solar system was based, what other remarkable achievement was made by this great follower of Plato? with Answer - Political Science Mcqs | TestPrep

> Solved MCQ: Aside from developing the system of concentric spheres upon which the epicyclic Ptolemaic arrangement of the solar system was based, what other remarkable achievement was made by this great follower of Plato? Correct Answer: D. He estimated the solar year to be 365 days and six hours long. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

---

Tested in Competitive Exams:

- [NTS Test Prep](https://test-prep.blog/exams/nts)
- [FPSC Past Papers](https://test-prep.blog/exams/fpsc)
- [PPSC Solved MCQs](https://test-prep.blog/exams/ppsc)
- [PMDC MDCAT 2026](https://test-prep.blog/exams/mdcat)
- [UET ECAT Prep](https://test-prep.blog/exams/ecat)
- [CSS Central Superior](https://test-prep.blog/exams/css)

- [Political Science Mcqs](https://test-prep.blog/categories/political-science-mcqs)
Difficulty: Moderate 70% Accuracy

# Aside from developing the system of concentric spheres upon which the epicyclic Ptolemaic arrangement of the solar system was based, what other remarkable achievement was made by this great follower of Plato?

Direct Answer & Quick Reference

The correct option is **D. He estimated the solar year to be 365 days and six hours long**.

A. He first suggested that the solar system was sun-centered

B. He read all of Aristotle’s work straight through without falling asleep

C. He estimated the diameter and the circumference of the Earth accurately to within 1 mile

D. He estimated the solar year to be 365 days and six hours long **(Correct Answer)**

✨ Explain with AI

Verified Key: D. He estimated the solar year to be 365 days and six hours long
Solved by 1,790+ students

Verified against official examination board answer keys and standard curriculum textbooks.

- [Previous Question Separation of power is the salient feature of _____ system.](https://test-prep.blog/mcq/separation-of-power-is-the-salient-feature-of-system-b48aefaf-173a-4e0d-9c44-39c70cb3d21e)
- [Next Question Utilitarian thinkers believed in: _____ ?](https://test-prep.blog/mcq/utilitarian-thinkers-believed-in-a037d4d1-8b03-4064-8b6c-9428b0afb4b9)

- [Practice More Political Science Mcqs MCQs](https://test-prep.blog/quiz/smart?category=political-science-mcqs)
- [How We Verify Questions →](https://test-prep.blog/editorial-policy)

## Subject Overview

Explore thousands of solved past paper MCQs for Political Science Mcqs categorized with explanations.

- [Browse All Political Science Mcqs MCQs →](https://test-prep.blog/categories/political-science-mcqs)

## Related Questions

- [Separation of power is the salient feature of _____ system.](https://test-prep.blog/mcq/separation-of-power-is-the-salient-feature-of-system-b48aefaf-173a-4e0d-9c44-39c70cb3d21e)
- [Utilitarian thinkers believed in: _____ ?](https://test-prep.blog/mcq/utilitarian-thinkers-believed-in-a037d4d1-8b03-4064-8b6c-9428b0afb4b9)
- [In parliamentary democracy, president is a/an _____ sovereign.](https://test-prep.blog/mcq/in-parliamentary-democracy-president-is-aan-sovereign-157f6083-d52c-4687-9e21-88f059308d4a)
- [Public Policy is generally consisting of the set of: _____ ?](https://test-prep.blog/mcq/public-policy-is-generally-consisting-of-the-set-of-98ab79af-f214-4fc3-aa60-d0a970c9a145)
- [Public administration is the study of the: _____ ?](https://test-prep.blog/mcq/public-administration-is-the-study-of-the-18d81b90-cd59-4bbc-96f5-de9390b2bfdc)

---
*Source: https://test-prep.blog/mcq/aside-from-developing-the-system-of-concentric-spheres-upon-which-the-epicyclic--87b20841-60c9-44fc-85e2-054e5fe0e0c4*
*Format: Markdown for Agents (Content Negotiation: text/markdown)*
