Multiple choice

Planets are

  1. Non- luminous bodies that do not twinkle

  2. Luminous bodies that twinkle

  3. Luminous bodies that do not twinkle

  4. Non - luminous bodies that twinkle

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Planets are non-luminous celestial bodies that do not twinkle (Option A). They reflect sunlight and appear steady because they are much closer to Earth compared to stars. Stars twinkle due to atmospheric turbulence, but planets do not.