KIDS QUIZ
SPACE EXPLORATION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Our Sun is mostly made of
|
Hydrogen
|
|
Helium
|
|
Calcium
|
|
Sodium
|
Explanation:
Detailed explanation-1: -About three quarters of the sun is hydrogen, which is constantly fusing together and creating helium by a process called nuclear fusion. Helium makes up almost the entire remaining quarter.
Detailed explanation-2: -The Sun has different layers with different properties, these layers are composed of material that is about 75% hydrogen and 25% helium by mass.
Detailed explanation-3: -A British astrophysicist named Cecilia Payne-Gaposchkin, working at the Harvard Observatory, put these ideas together in 1925 to describe the composition of stars. She discovered that H and He accounted for most of the atoms of our sun and other stars, contrary to what had been thought.
There is 1 question to complete.