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Most stars are primarily composed of hydrogen, which accounts for about 74% of their mass. The second most abundant element is helium, making up roughly 24%. These elements undergo nuclear fusion in the star's core, producing energy that powers the star and leads to the formation of heavier elements over time.
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What are the two most abundant elements in a main sequenced star?
The two most abundant elements in a main sequence star are hydrogen and helium. Hydrogen is the primary element, composing about 75% of the star's mass, while helium makes up most of the remaining mass.
What is the most abundant element in the solar system?
Hydrogen is the most abundant element and makes up 99.8% of the Solar System.
What is the third most abundant element in the Sun?
Hydrogen is the most common element in the Sun, in most stars, as well as in the Universe in general.Hydrogen is the most common element in the Sun, in most stars, as well as in the Universe in general.Hydrogen is the most common element in the Sun, in most stars, as well as in the Universe in general.Hydrogen is the most common element in the Sun, in most stars, as well as in the Universe in general.
Which element makes up over 90 of the atoms in our galaxy?
Hydrogen is the element that makes up over 90% of the atoms in our galaxy. It is the most abundant element in the universe and plays a crucial role in the formation of stars and galaxies. In addition to hydrogen, helium is the second most abundant element, but its presence is significantly less than that of hydrogen. Together, these elements are fundamental to the structure and evolution of the cosmos.
What is hydrogens relative abundance in the atmosphere?
Hydrogen is the most abundant element in the universe, but it is relatively rare in the Earth's atmosphere. It makes up only about 0.000055% of the atmosphere by volume.
What element makes up most earth core?
The element that makes up most of the earths CORE is iron.
What can a stars spectrum can tell astronomers?
What makes up the star or element.
What element makes up most of the detectable mass in the universe?
Hydrogen is the element that makes up most of the detectable mass in the universe. About 75% of the normal matter in the universe is hydrogen.
What is the most prevalent element?
The most abundant element in the universe is hydrogen, which makes up about 3/4 of all matter. Helium makes up most of the remaining 25%. Oxygen is the third most abundant element in the universe.
Which element makes up most of the earth's core?
Iron makes up most of the Earth's core.
What element makes up most of the core?
Iron and nickel
What is one element that makes up most of living matter?
Carbon.
What is the most abundant element in the universe oxygen or hydrogen?
The most abundant element where? It is the most abundant element in Earth's crust. The most abundant element on planet Earth, on the other hand, is iron, while the most abundant element in the Universe is hydrogen.
What are the two most abundant elements in a main sequenced star?
The two most abundant elements in a main sequence star are hydrogen and helium. Hydrogen is the primary element, composing about 75% of the star's mass, while helium makes up most of the remaining mass.
Which element makes up most of the world's atmosphere?
Nitrogen makes up about 78% of the Earth's atmosphere.
What element is there most of?
The most abundant element in the universe is hydrogen. It makes up about 74% of normal matter by mass.
What element is the most abundant in the universe and all stars are made of it?
The most abundant element in the universe is hydrogen.
