Which type of star will burn hydrogen in its core?
our sun, and all of the stars its size.
red giant A+ users Read More
A "main-sequence star" is one that fuses hydrogen into helium. Eventually, the star will run out of this specific type of fuel - in other words, it won't have enough hydrogen (at least, near its core) to continue this process. Read More
A protostar does not burn fuel as it is still taking part in nuclear fusion. It is, however, preparing to become a main sequence star, and will then burn mostly hydrogen at that stage. Read More
Saiph is a supergiant star, which is the biggest and brightest class of stars. However, it has used the hydrogen in its core and is losing mass; it will eventually collapse in on itself and become a supernova. Read More
Our sun is called a G2V (or generally a G V, "yellow dwarf") type of star. A G V star converts hydrogen to helium in its core by means of nuclear fusion. Eventually, when a G V star runs out of hydrogen, it becomes a "red giant." This process takes billions of years, and will happen long, long after we are gone. Read More
That will depend on the type of star. In some cases the small star would live longer. The reason being is that stars burn fuel (hydrogen), and the reactions prevent their compression by gravity. Larger stars run out of fuel faster then smaller stars, and have more mass to contend with. When the hydrogen and helium are exhausted, stars usually explode and collapse. Read More
Aldebaran or Alpha Tauri is a Orange Giant star of type K5III about 65.2ly from Earth. All hydrogen fusion has ceased in the core of the star and has moved to a shell surrounding the core. Due to gravitational forces the temperature in the core of the star has greatly increased but is not currently sufficient for Helium fusion. As a result the star has increased in diameter dramatically. With the mass of 1.7 solar… Read More
Low temperature because red giants are star with low temperatures, but very bright. A star forms when a portion of a dense interstellar cloud of hydrogen and dust grains collapses from its own gravity. As the cloud condenses, its density and internal temperature increase until it is hot enough to trigger nuclear fusion in its core (if not, it becomes a brown dwarf). After hydrogen is exhausted in the core from nuclear burning, the core… Read More
As a G-type star fuses its hydrogen to helium, this helium will gather in the core. As a result, the core will contract under its own weight as hydrogen is being spent. The contraction causes an increased hydrogen fusion rate, increasing the temperature. When insufficient hydrogen remains in the core, the layers above are no longer supported by the outward pressure of radiation, and collapse on top of the core, causing it to contract further… Read More
When a star has used up all the hydrogen in its core, it has reached the end of the main sequence. Subsequent developments depend on the mass and composition of the star. Sun-type stars may expand and continue to fuse ever heavier elements in and about their core, until fusion no longer yields sufficient energy to prevent collapse. Read More
it depends on what type of star it is bigger stars run out of fuel hydrogen faster then smaller stars Read More
a white dwarf Read More
Main sequence stars do not really exist - well they do, but read on. Main sequence is a stage in a stars life - where it converts hydrogen into energy, not a particular star or type of star. All stars go through a main sequence, from the smallest to the largest. However, in general, the larger the star, the faster it will burn off it's fuel. Read More
The Sun consists of 70% hydrogen, 28% helium and 2% heavier elements such as carbon. Helium is being formed in the core of the Sun every moment of time. It has a hydrogen core and forms helium by nuclear fusion. The Sun is a "main-sequence star which means it stops after all of the hydrogen has been fused into helium. The hydrogen molecules collide rapidly, which causes the heat on the Sun, by atomic fusion… Read More
It depends on the star. A moderate, yellow type G star like the sun will run out of fuel after 10 billion years. We are halfway to that point now. In another 5 billion years or so, our sun will begin to run out of fuel and so it will begin to contract in on itself, causing the remaining hydrogen in the core to fuse rapidly into helium. This will generate more heat and will… Read More
this is called a white dwarf Read More
After consuming the hydrogen in its core the sun will begin its helium fusion stage swelling until it becomes what type of star?
Later in its life, our sun will become a red giant. Wikipedia has additional information, and a link is provided. Read More
A Stellar Nebula is the dying core of a star surrounded by new stars. The dying core could be several different ages depending on what type of star it is and where it is on the H-R diagram. Red stars are the coolest, then Orange/Yellow (our sun), Then the hottest is blue. Another thing that comes to factor is how large the star was. Larger stars burn fuel faster then smaller ones and therefore have… Read More
The smallest type of star is a "core burning star". It is slightly larger than Jupiter and is at the limit of a "star" to be able to fuse hydrogen. The smallest detected is called OGLE-TR-122b. The smallest "visible" stellar remnant [See related question] is a neutron star, or "invisible" is a black hole. Read More
Angenib has almost nine times the mass of the Sun and close to five times the Sun's radius. It has used up al the hydrogen in its core and is just beginning to evolve away from the main sequence. Read More
supernovae are classified by the lines in their spectra (which indicate which elements are present). type I supernovae have no hydrogen lines, having been caused by the explosion of a star with no hydrogen envelope. type II supernovae have hydrogen lines, indicating that the exploding progenitor star had retained a significant amount of its hydrogen before its supernova. type I supernovae are further classified based on the presence of silicon lines, which are present in… Read More
an o-type blue star has a less length life than a g-type sun like star, this is because a the larger, hotter star, (the o-type blue star) uses its fuel (converting hydrogen into oxygen) quicker, so the correct answer to your question is the o-type blue star. Read More
Hydrogen to helium Read More
That's precisely called a neutron star. Read More
Dear Wiki Questioner, When a Star is fusing hydrogen together to create energy, we call it a "Main Sequence" Star. Most stars tend to enter this main sequence phase shortly after they are formed, and they stay in this state until they either run out of hydrogen (in which case they usually end up as a white dwarf) or if they are big enough they become type II supernovae and explode... forming neutron stars or… Read More
Hydrogen is usually a colourless gas in our atmosphere but in stars it is always burning so it is burning orange or red or yellow depending on the type of star. Read More
When a star begins to burn out, there are two things that can happen to it. If the star is equal or less than the mass of 3 times our Sun, it will collapse into a neutron star. Any larger, and it will become a black hole. Read More
Thuban has a spectral class of A0. Similar to Vega in temperature and spectrum, but more powerful and more massive. Thuban is no longer a main sequence star, it has used up all the hydrogen in its core and is now fusing helium. That makes it a white giant star, being 250 times more powerful than our Sun. It's about 300 light years from us. Read More
What is the type of nuclear fuels a one solar mass star use over the course of its entire evolution?
Hydrogen. Read More
A Type II supernova results from the rapid collapse and violent explosion of a massive red supergiant star. A star must have an initial mass of roughly at least 8 times (and no more than 40-50 times) the mass of the Sun for this type of explosion. The star produces a massive core of iron by a series of nuclear fusion reactions. Iron cannot be used to produce more energy and the core collapses under… Read More
A mid-sized star becomes a red giant and then depending upon the composition of the core, helium or carbon, expands and the outer layers cool. In a massive star the core is so massive when it expands and cool it becomes a red supergiant that is unstable and becomes a type II supernova. Read More
Why will a star with a large mass radiate more energy into space and appear hotter and brighter than a star with a smaller mass?
Because the larger mass means more core pressure, making fuel (hydrogen turning into helium) burn faster and more frequently, resulting in a hotter, brigher star. A small mass star has less fuel and internal pressure, so it generates less light and is red in color. A medium star like our sun burns moderately, and is yellow. The H-R Diagram places these stars in spectral classes, from biggest and hottest to smallest and dimmest, and the… Read More
There are two types of core construction the shell type and the viz core type. Read More
Red giant is a luminous giant star of low or intermediate mass that is in a late phase of its evolution with nuclear fusion going on in a shell outside the core but not in the core itself?
Thermonuclear fusion is still going on in the core of a red giant, but it is a different type of thermonuclear fusion. The center of the core has reached high enough temperature and pressure that it can now burn helium, producing carbon. 3 4He --> 12C The large amount of energy released by this type of fusion pushes the outer layers away, making a giant star. The expansion of volume of the surface layer causes… Read More
A 'core type' transformer core is one in which the primary windings and secondary windings are placed around each of the limbs, as opposed to a 'shell type' core, in which the two windings are placed across the centre core. A core-type core is a magnetic circuit equivalent to an electric series circuit, whereas a shell-type core is equivalent to an electric parallel circuit. Read More
A star has to be a minimum of about 8 times the mass of our Sun to go supernova. Actually, we are probably talking about what is technically called a Type II (type two) supernova. This is the second most common sort of supernova. What happens inside the star is a little complex. Initially the star fuses Hydrogen into Helium, exerting and outward force that is kept balanced by gravity. This is called Hydrostatic Equilibrium… Read More
It's not known exactly but from the data observed, it would seem to be a red dwarf - the smallest known star that can fuse hydrogen. Read More
Gamma Sagittarii, also known as Alnasl (Nasl, El Nasl), Nushaba (Nash) and Warida, has a spectral classification of K1 III. The K1 classification shows that it is an orange star and the III indicates that it is a giant star. It has moved away from the main sequence and is now entering the later years of its life, it has expanded and is now fusing Helium, having exhausted the hydrogen fuel at the core. It… Read More
A red dwarf. See related question Read More
A white dwarf is what stars like the Sun become after they have exhausted their nuclear fuel. Near the end of its nuclear burning stage, this type of star expels most of its outer material, creating a planetary nebula. Only the hot core of the star remains. This core becomes a very hot white dwarf, with a temperature exceeding 100,000 kelvin. Read More
The Sun is, at present, about 90.1% hydrogen and 9.9% helium and a small mixture of heavy elements(iron, calcium,sodium).This changes slowly over time as the Sun converts hydrogen to helium in its core. Read More
Hydrogen and oxygen. On the sun two hydrogen atoms and one oxygen atom are fused at the core which keeps the suns light going and giving it more energy. The result of this is water. H2( hydrogen 2 ) O( oxygen ) h2o Read More
No. While a Sun-type star is in its main sequence, the fusing core of the star is continually shrinking. This is because the hydrogen available to the fusion process is being depleted, even though the temperature is not yet high enough to initiate helium fusion. So the outward pressure generated by fusion decreases, causing the core to contract, causing the fusion process to intensify, paradoxically causing the star to heat up. In the Sun, this… Read More
A "main sequence star" is not really a type of star but a period in a stars life. When a star is in "main sequence" it is converting hydrogen into helium. It is then usually called a dwarf star. This is the longest period in a stars lifetime. Our Sun is a yellow dwarf in "main sequence". Read More
The neutron stars are also called collapsars and pulsars. Read More
When a red giant loses its outer layers and the core shrinks to one - millionth of its original size what type of star is formed?
A white dwarf. Read More
A 'core type' transformer core is one in which the primary windings and secondary windings are placed around each of the limbs, as opposed to a 'shell type' core, in which the two windings are placed across the centre core. A core-type core is a magnetic circuit equivalent to an electric series circuit, whereas a shell-type core is equivalent to an electric parallel circuit. This is better answered with a diagram, so I suggest that… Read More