Class II: yellow stars-hydrogen less strong, but evident metallic lines, such as the Sun, Arcturus and Capella. This includes the modern classes G and K as well as late class F.
The first category is the white dwarf these are the stars that our Sun will become. The second category are the more massive stars that will collapse down to neutron stars. The final category is a black hole.
Most stars are smaller than the sun, falling into the red dwarf category.
The most common star category is the main sequence stars, which include stars like our Sun. Main sequence stars are in a stable phase of hydrogen fusion in their cores, which is why they are abundant in the universe.
Stars can be classified based on their size, temperature, and color. Common types include main sequence stars like the Sun, giant stars, and supergiant stars. Other types include white dwarfs, neutron stars, and black holes.
Our Sun belongs to the category of stars known as main sequence stars, specifically a G-type main sequence star. It is classified as a yellow dwarf star.
To my knowledge, the stars have their own energy and they will be generally surrounded by some planets. So SUN falls in this category. It has its own source of energy.
Milky Way Galaxy
Stars that are most like the sun are called G-type main sequence stars. Examples of such stars include Alpha Centauri A and Tau Ceti. These stars have similar temperature, luminosity, and spectral characteristics to our sun.
Stars larger than the sun are classified as giant or supergiant stars. Examples include Betelgeuse and Rigel in the constellation Orion. These stars have significantly larger masses, luminosities, and radii compared to the sun.
There are literally billions of billions of stars. The vast majority are medium stars.
Stars that are similar in size to the Sun are classified as G-type main-sequence stars, or G dwarfs. Examples include stars like Alpha Centauri A, Tau Ceti, and 61 Cygni A. These stars have comparable diameters and luminosities to the Sun, typically ranging from about 0.9 to 1.1 solar radii.
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