Question

what is correct about the canis major dwarf galaxy (pick all correct answers)? it is a smaller galaxy than the milky way galaxy it is closer to the sun than the alpha centauri star system is it is \within\ (in direction of) the constellation canis major it is farther from the sun than the alpha centauri star system is it is now thought to be the closest galaxy to the milky way galaxy

Explanation:

The Canis Major Dwarf Galaxy is a small satellite galaxy of the Milky - Way. It is closer to the Sun than the Alpha Centauri star system and is within the constellation Canis Major. It is not the closest galaxy to the Milky - Way (the Large Magellanic Cloud and Small Magellanic Cloud are also close), and it is not farther from the Sun than Alpha Centauri.

Answer:

it is a smaller galaxy than the Milky Way Galaxy
it is closer to the Sun than the Alpha Centauri star system
it is "within" (in direction of) the constellation Canis Major