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When does a star become a main sequence star?
A star becomes a main sequence star when nuclear fusion begins in its core, fusing hydrogen into helium. This marks the stable phase of a star's life where it generates energy through this process and remains in a state of equilibrium between inward gravitational pressure and outward radiation pressure.
Does nuclear energy provide the sun's energy?
The Sun, like all stars, generates energy by fusion reactions deep within the star, where the heat and pressure cause atomic nuclei to fuse into heavier elements. Most of the Sun's energy comes from fusing hydrogen into helium.
When the sun burns hydrogen helium it makes what?
The sun is on the Main Sequence, fusing hydrogen nuclei to form helium nuclei and release substantial quantities of energy.
Is a white dwarf considered a main sequence star?
No, a white dwarf is not considered a main sequence star. A main sequence star is a star that is still fusing hydrogen in its core. A white dwarf is the remnant of a low to medium mass star in which fusion has stopped.
Name an example of a main sequence?
The Sun is a main sequence star, which is currently fusing hydrogen into helium in its core to produce energy. This stage of stellar evolution is characterized by stable fusion reactions that enable stars to maintain a balance between inward gravitational forces and outward radiation pressure.
A main sequence star generates energy by fusing what?
Hydrogen
How does a main sequence star power itself?
A main sequence star gets its energy by fusing hydrogen-1 into helium-4.
Why will the sun burn out?
The sun generates energy by fusing hydrogen into helium. Eventually it will run out of hydrogen. However, this won't happen for several billion years.
Where The sun energy come from?
The sun generates its energy via nuclear fusion of hydrogen at the solar core into helium. This energy is sent outward in the form of solar radiation.
The Sun produces energy by fusing hydrogen atoms into atoms in its core.?
Yes it does. It produces helium by fusing hydrogen
What is the defeniton of main sequence star?
A star that is mainly fusing hydrogen into helium.
What was the sun when it reached the main sequence?
Stars on the main sequence (like the sun) are fusing hydrogen into helium in their cores.
What is the main activity of a sequence star?
The activity is -fusing hydrogen into helium.
What types of stars are main sequence stars?
Any star that it fusing hydrogen into helium is classed as a main sequence star.
Are stars in the main sequence when nuclear fusion of any element is taking place?
No. Stars are only in the main sequence when they are fusing hydrogen.
What stars have left the main sequence?
The main sequence stars are stars that fuse hydrogen, so the stars that have left the main sequence are the ones that have basically run out of hydrogen. They are the Red Giant stars, Supergiant stars and White Dwarf stars.
What provides fuel for the Sun's energy?
The Sun releases the energy contained in mass (Energy=Mass*the velocity of light squared) (E=MC2). As a current main sequence star the Sun uses Hydrogen as the source of mass to release this energy. It does so by fusing Hydrogen into Helium in its core.
