GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This is the first planet from the Sun; it is very hot in the day and very cold in the night.
A
Mercury
B
Neptune
C
Earth
D
Jupiter
Explanation: 

Detailed explanation-1: -Mercury’s surface temperatures are both extremely hot and cold. Because the planet is so close to the Sun, day temperatures can reach highs of 800°F (430°C). Without an atmosphere to retain that heat at night, temperatures can dip as low as-290°F (-180°C).

Detailed explanation-2: -It is understood that the sunny side may reach temperatures of 750 to 800 degrees F., while the nighttime temperature plummets to nearly-330 degrees F. The average temperature on Mercury is a balmy 354 degrees F.

Detailed explanation-3: -At night Mercury loses all its heat as there is no atmosphere to retain the heat, thus its very cold at night with temperature reaching-173 ∘ C .

Detailed explanation-4: -Venus’ thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.

Detailed explanation-5: -Thus, Venus and Uranus are the hottest and coldest planets respectively.

There is 1 question to complete.