Q. Which planet looks reddish in the night sky?
✅ Correct Answer: (C)
Mars
Explanation: Mars appears reddish in the night sky due to the presence of iron oxide (rust) on its surface, which reflects sunlight in a way that gives it a red color.
This is why Mars is often called the "Red Planet."
Other Options Explained:
(A) Saturn – Appears yellowish due to its thick atmosphere of ammonia and methane.
(B) Mercury – Appears grayish because of its rocky surface with no atmosphere to scatter light.
(D) Jupiter – Appears whitish with orange and brown bands, due to its gas composition (hydrogen, helium, and ammonia clouds).
Thus, the correct answer is (C) Mars.
Explanation by: Mr. Dubey
Mars appears reddish in the night sky due to the presence of iron oxide (rust) on its surface, which reflects sunlight in a way that gives it a red color.
This is why Mars is often called the "Red Planet."
Other Options Explained:
(A) Saturn – Appears yellowish due to its thick atmosphere of ammonia and methane.
(B) Mercury – Appears grayish because of its rocky surface with no atmosphere to scatter light.
(D) Jupiter – Appears whitish with orange and brown bands, due to its gas composition (hydrogen, helium, and ammonia clouds).
Thus, the correct answer is (C) Mars.
This is why Mars is often called the "Red Planet."
Other Options Explained:
(A) Saturn – Appears yellowish due to its thick atmosphere of ammonia and methane.
(B) Mercury – Appears grayish because of its rocky surface with no atmosphere to scatter light.
(D) Jupiter – Appears whitish with orange and brown bands, due to its gas composition (hydrogen, helium, and ammonia clouds).
Thus, the correct answer is (C) Mars.