What Is The Closest Star To Our Solar System

Proxima centauri a red dwarf outlier in the alpha centauri system is the nearest star other than the sun.

This is slightly greater than the distance between uranus and the sun. α centauri a officially rigil kentaurus α centauri b officially toliman and α centauri c officially proxima. It is 4 22 light years from earth. It s called barnard s star after american astronomer e e.

Alpha centauri is the closest star system and closest planetary system to earth s solar system at 4 37 light years 1 34 parsecs from the sun the name is latinized from α centauri and abbreviated alpha cen or α cen it is a triple star system consisting of three stars. Alpha centauri the closest star to our solar system which is 4 37 light years from the sun. The star has a 90 percent probability of coming between 0 13 and 0 65 light years 0 04 0 20 pc between 240 000 and 470 000 years from now. The closest star to the sun proxima centauri is marked with a red circle close to the bright stars alpha centauri a and b.

It is composed of three stars those are alpha centauri a also which is called as rigil kentaurus alpha centauri b also known as toliman and alpha centauri ab known as proxima centauri. These are alpha centauri a and b and it looks like a will be moving closer in the distant future. The next closest star is a faint red dwarf about 5 96 light years from earth. This artist s impression shows the planet proxima b orbiting the red dwarf star proxima centauri the closest star to our solar system.

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The next closest will be gliese 710 pictured above a. Of the three stars in the system the dimmest called proxima centauri is actually the nearest star to the sun. It is currently predicted to pass 19 300 3 200 astronomical units 0 305 0 051 light years from the sun in 1 280 0 041. The two bright stars called alpha centauri a and b form a close binary system.

It was once hoped that it might contain planets around it and astronomers made many attempts to try and spot them. As already noted the closest star to our solar system is proxima centauri which is why it makes the most sense to plot an interstellar mission to this system first. As part of a triple star. The alpha centauri.

The closest encounter to the sun so far predicted is the low mass orange dwarf star gliese 710 hip 89825 with roughly 60 the mass of the sun. They are separated by only 23 times the earth sun distance.