Physics & Astronomy


Physics & Astronomy



  1. Planet called the Morning Star ? Venus
    Explanation: Visible in the early morning sky; brightest planet after the Sun and Moon.

  2. Planet called the Evening Star ? Venus
    Explanation: Also visible in evening sky; reflects sunlight strongly.

  3. Largest planet in solar system ? Jupiter
    Explanation: Has the greatest mass and size among planets; a gas giant.

  4. Smallest planet in solar system ? Mercury
    Explanation: Closest to the Sun with smallest diameter and mass.

  5. Hottest planet ? Venus
    Explanation: Thick CO₂ atmosphere traps heat, surface temperature ~465°C.

  6. Planet known for rings ? Saturn
    Explanation: Rings made of ice, rock, and dust; visible from Earth.

  7. Which planet is called the Red Planet ? Mars
    Explanation: Appears red due to iron oxide (rust) on surface.

  8. Which planet is closest to the Sun ? Mercury
    Explanation: It completes an orbit in 88 days; smallest planet.

  9. Largest ocean in the world ? Pacific Ocean
    Explanation: Covers about one-third of Earth’s surface; deepest point – Mariana Trench.