GK
THE UNIVERSE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Main sequence stars fuse ____ into ____ in their cores.
|
|
silicon; iron
|
|
|
carbon; oxygen
|
|
|
helium; carbon
|
|
|
hydrogen; helium
|
|
|
silicon; helium
|
Explanation:
Detailed explanation-1: -Main sequence stars fuse hydrogen atoms to form helium atoms in their cores. About 90 percent of the stars in the universe, including the sun, are main sequence stars. These stars can range from about a tenth of the mass of the sun to up to 200 times as massive. Stars start their lives as clouds of dust and gas.
Detailed explanation-2: -Stars on the main sequence are those that are fusing hydrogen into helium in their cores.
Detailed explanation-3: -What is a Main Sequence Star? A main sequence star is any star that has a hot, dense core which fuses hydrogen into helium to produce energy. Most stars in the galaxy are main sequence stars, including Alpha Centauri A, Tau Ceti and the Sun.
There is 1 question to complete.