Stars · Red dwarf

Barnard's Star

6 light-years · Light crosses it in 0.87 seconds

Across
260,192 km
Vs Earth
1.86× Jupiter
Mass
0.16 Suns

Open Barnard's Star in Cosmic Scale

About

Barnard's Star moves across our sky faster than any other star — a tenth of the Moon's width each century. It is an old, quiet red dwarf and the closest single star to the Sun.

Moves across our sky faster than any other star.

At a glance

Distance6 light-years
Motion10.3 arcseconds a year
AgeAround 10 billion years
Surface3,134 K

Did you know

  1. It is racing toward us and will pass within 3.8 light-years in about 11,800 years.
  2. Claims of planets around it in the 1960s turned out to be instrument errors; a genuine planet was confirmed in 2024.
  3. Despite being so close, you need a telescope to see it.