SOLAR SYSTEM

UNIVERSE

THE SUN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
the sun’s radiation is responsible for the earth’s ____
A
temperature
B
magnetic field
C
rotation
D
atmosphere
Explanation: 

Detailed explanation-1: -The Sun can influence Earth’s climate, but it isn’t responsible for the warming trend we’ve seen over recent decades. The Sun is a giver of life; it helps keep the planet warm enough for us to survive. We know subtle changes in Earth’s orbit around the Sun are responsible for the comings and goings of the ice ages.

Detailed explanation-2: -Using the Stefan-Boltzmann law, let’s compare the sun’s average surface temperature of approximately 6, 000K (5, 727°C or 10, 340°F) with Earth’s average surface temperature of just 288K (15°C or 59°F). Consistent with the Stefan-Boltzmann law, the sun emits more radiation than Earth.

Detailed explanation-3: -The more sunlight a surface absorbs, the warmer it gets, and the more energy it re-radiates as heat. This re-radiated heat is then absorbed and re-radiated by greenhouse gases and clouds, and warm the atmosphere through the greenhouse effect.

Detailed explanation-4: -Thus infrared radiation is responsible for warming Earth’s surface. Infrared light is reflected more than UV or visible light due to its longer wavelengths 10. This reflection allows infrared radiation to transfer heat between the surface, water and the air.

There is 1 question to complete.