Yes, Sirius is quite big while Barnard's star is small.

Barnard's star is about 6 light years away from the sun.

Barnard's Star is a red dwarf star

Barnard's Star is the Fourth closest star from the sun, after the Centauri Trio, and it's 1.8 parsecs from the sun. It is too faint to be seen with the naked eye. It's a tiny dwarf star and it's much smaller than our sun. 1 parsec = 3.262 light years. 1 parsec = 19,176,075,967,324.937 miles.

1 light year = 5,878,499,814,186.5 miles.

Star Blazers - 1979 Battle at Barnard's Star 3-9 is rated/received certificates of:

Australia:G