Which star nearest to our sun ?

Question

Which star nearest to our sun ?

Answer 1

proxima centauri

Answer 2

proxima centari

Answer 3

its proxima centauri

Answer 4

Proxima centuari 4 light yrs away

Answer 5

Alpha Canis Majoris

Answer 6

Proxima Centauri is the nearest known one.  It is a faint red dwarf in the Alpha Centauri system, in the neighborhood of 4.2 light-years away.  

This does not mean that, perhaps, a very faint "star" closer has not been discovered.  I dont' find it likely, but it has been proposed (not much by credible sources, but not comepletely ruled out) that our sun is a binary star, with perhaps a very faint brown dwarf orbiting near the heliopause.  This could be part of the explaination for the perturbations in the orbits of Neptune and Uranus, but seeing how these are "new" discoveries (Neptune hasn't even completed one full orbit since it's discovery) and the Kuiper Belt objects could be incredibly numerous, their orbits are not as predictable as we think they are, just because of such a lack of information.

Anyway, back to Proxima... if some estimates of current observations are correct, it's lablel as the star in closest proximity to us will only be true for about another 32,000-35,000 years, when Ross 248's (aka HH Andromedae, another red dwarf star, currently over 10 light years away) motion from the perspective of our solar system will bring it closer to us than Proxima.  

I also find it interesting, that our spacecraft Voyager 2 (alive and still transmitting, believe it or not) is on a course to bring it within 2 light years from HH Andromadae.

Answer 7

The Mars is the planet closest  to the sun.

Answer 8

Proxima Centauri.

Answer 9

Proxima Centauri at a distance of 4.2 light years away.  

Answer 10

alpha centari

Answer 11

The star nearest to the Sun is Proxima Centauri

at a distance of 4.22 light years