An astronomical team at Cambridge University has discovered a star about the size of Saturn, the smallest star ever found.
is the smallest star ever found. The smallest star is named quot; EBLM j0555-57ab The discovery will help scientists better understand earth like planets.
The world’s smallest star, EBLM j0555-57ab
EBLM j0555-57ab is about the size of Saturn
The smallest star, EBLM j0555-57ab, is about 600 light-years away from the earth. Its radius is 84% of that of Jupiter (the radius of Jupiter is 71493.5 meters), but its mass is 85 times that of Jupiter.
is only a little larger than Saturn, and EBLM j0555-57ab has the same mass as the ultracold dwarf, but the radius of the smallest star in the world is nearly 30% smaller than that of the ultra cold dwarf
The mass is only enough for the fusion process
The smallest star in the world is so small that it has just enough mass to undertake the fusion process of fusing hydrogen nuclei into helium. If it is smaller, it will not have enough pressure to complete the fusion process
The EBLM j0555-57ab also has a companion star
The researchers found that the star belongs to a special, slanting binary system with larger companion stars.
It bypasses its companion star every seven or eight days. When it goes in front of the companion star, the companion star becomes dimmer periodically, which is a sign of the existence of other celestial bodies. Therefore, scientists have observed that the surface gravity of this star is about 300 times that of human beings on earth
It is not easy to find EBLM j0555-57ab
Compared with many known planets, the world’s smallest star is smaller and probably cooler than many known planets. Dim stars such as
are harder to detect than planets, but planetary search equipment has found its companion and found it
Amari middot; trijo, co-author of the study, said: “this newly discovered smallest star provides us with the best conditions for discovering earth like planets.
however, before we study planets, we must understand their stars, which is the basis of our research;
Astronomers will continue to use this method to detect small stars.
it may be only a matter of time before we find a planet with life
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