SOLAR SYSTEM

UNIVERSE

THE SUN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is TRUE?
A
The sun has very little effect on natural cycles.
B
The sun is only helpful and is never dangerous.
C
The sun is very important, but its rays can also be harmful.
D
The sun is very dangerous and doesn’t really support life on Earth.
Explanation: 

Detailed explanation-1: -The sun is a big ball of gas and plasma. Most of the gas 91 percent is hydrogen. It is converted into energy in the sun’s core. The energy moves outward through the interior layers, into the sun’s atmosphere, and is released into the solar system as heat and light.

Detailed explanation-2: -The sun has extremely important influences on our planet: It drives weather, ocean currents, seasons, and climate, and makes plant life possible through photosynthesis. Without the sun’s heat and light, life on Earth would not exist.

Detailed explanation-3: -Unprotected exposure to UVA and UVB damages the DNA in skin cells, producing genetic defects, or mutations, that can lead to skin cancer and premature aging. UV rays can also cause eye damage, including cataracts and eyelid cancers.

Detailed explanation-4: -The sun and eye damage Looking at the intense light from the sun even for just a few seconds can cause permanent damage to the retina (part of the eye directly responsible for vision). Exposing your eyes to the sun without proper eye protection during a solar eclipse can cause retinal burns (solar retinopathy).

There is 1 question to complete.