No, not all dwarf stars are failed stars. Only brown dwarfs are called "failed stars".
Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.Assuming that the question refers not to a falled (??) star but to a failed star, the answer is that it is a star that does not have enough mass for hydrogen fusion to be sustain. Such stars are also known as brown dwarf stars.
Little stars, also known as dwarf stars, can range in size from about one-tenth the size of our sun to around half the size of our sun. These stars are smaller and cooler than average stars like our sun.
Red Dwarf stars. Massive stars are also quite common, but stars like that (e.g. R136a1) don't last very long.
No, the surface temperature of Betelgeuse is colder than the temperature of a white dwarf, the white dwarf is the hot core of a dead star. Also, red stars are always colder than white stars.
Khazad; also known as Bearded Dwarf.
Stars can be classified into different sizes based on their mass and luminosity. The most common sizes are dwarf stars (like our Sun), giant stars (larger and more luminous than the Sun), and supergiant stars (the largest and most luminous stars, like Betelgeuse and Rigel). There are also intermediate sizes like subgiant stars.
Asteroids are also known as meteors, shooting stars, falling stars, bolides and comets.
Since Almaaz, also known as Epsilon Aurigae is a binary star, meaning two stars in one, it is both a yellow dwarf and a blue giant causing a slight whitish tint to both stars. You can find Almaaz in the Auriga constellation.
Dwarf stars are actually very abundant in the universe, but they can be more difficult to observe because they are fainter and cooler than other types of stars. Astronomers use specialized techniques and instruments to detect dwarf stars, but they can still be challenging to study due to their dimness. Additionally, dwarf stars may not stand out as much in crowded regions of space where brighter stars and other celestial objects dominate the view.
Low-mass stars like our Sun will expand into a red giant and eventually shed their outer layers to form a planetary nebula, leaving behind a hot core known as a white dwarf. Medium-mass stars will go through similar stages but can also undergo a supernova explosion, leaving behind a dense core called a neutron star.
Small red stars are known as Red Dwarf stars. They have a mass in the range between 0.075 to 0.4 solar masses. These generally are not young stars however. The larger the star the quicker it uses up its fuel and dies. Smaller stars are far longer lived. It is possible the can be far older than the Sun. Some of the oldest main sequence stars we know are red dwarfs. They are also known as "Proton Stars" or "Protostars"
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".