PHYSICS 10 SCIENCE · 2026–27 · A · Multiple choice · QUESTION 21.2 · EM p. 196

Which listed factor mainly affects planetary solar heating: density, orbital distance, surface gravity or moon count?

شمسی حرارت پر درج عامل کثافت، مداری فاصلہ، کشش یا چاندوں کی تعداد؟

Solution & explanation

Orbital distance sets incident solar flux, but albedo and atmosphere can strongly alter actual surface temperature.

Independent study answer. Original textbook ↗ · English-medium printed page 196.