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Massive stars that are at least eight times more massive than the Sun end their life as a supernova. During the explosion, these stars release a tremendous amount of energy and can briefly outshine an entire galaxy.
The main sequence stars located at the bottom right of the Hertzsprung-Russell diagram are the least massive. These stars are low in temperature and luminosity, such as red dwarf stars, which have masses less than about 0.4 times that of the Sun.
The main sequence stars on the Hertzsprung-Russell diagram that are least massive are the red dwarfs. These stars have low masses compared to other main sequence stars like our sun. They are cooler and fainter, making them difficult to observe compared to more massive stars.
Generally, yes. For stars on the main sequence, meaning that they fuse hydrogen at their cores, mass, size, color, brightness, and temperature are all closely related. More massive stars are larger, brighter and hotter than less massive ones. The least massive stars are red. As you go to more massive stars color changes to orange, then yellow, then white, and finally to blue for the most massive stars.
The hottest stars are the brightest stars, as their high temperatures cause them to emit large amounts of energy. These stars are not necessarily the farthest from Earth or the least massive. Our Sun is a relatively average star in terms of temperature and brightness.
The least massive brown dwarf known is OTS 44. It is only 15 times the mass of Jupiter. The least massive star is a red dwarf called Wolf 424B, which is in the constellation Virgo. Its co-ordinates are: RA:12h 30m 17.2s Dec:+09° 01' 15" Wolf 424B's apparent magnitude is 13.18. It has a companion star called GJ 473 B. The orbital period of the stars is 16.2 years.
Neither, the sun is on the small side of the middle range of main sequence stars.
Its mass - the larger its mass the shorter its life.The smallest and least massive stars can last for trillions of years, whereas a massive star may end its life in millions of years.
The massive stars turn into gas
Some massive stars will become neutron stars. When massive stars die they will either become neutron stars or black holes depending on how much mass is left behind.
The least massive stars, i.e., the red dwarves. More massive stars get more pressure and temperature, and therefore burn their fuel up faster. For comparison, while a red dwarf might shine for trillions of years, the most massive stars run out of fuel after just a few millions of years.
What I have learned about massive stars is...