which is the closest neighbour to our solar system? Share with your friends Share 3 Ashwathy answered this small red draft star proxima centauri 7 View Full Answer Ashwathy answered this small red draft star proxima centauri 1 Arjun Saxena answered this mercury is the closest planet to the sun and the table of all celisteal bodies are1 universe2 milky way galaxcy 3 solar system4 earth5 we all 1