Question

sirius, the brightest star, is 8.8 light - years from earth. that means a sirius is not part of the milky way. b sirius is closer to earth than the sun. c we see sirius as it looked 8.8 years ago. d it would take us 8.8 years to reach sirius.

Explanation:

La luz viaja a una velocidad finita. Como Sirius está a 8,8 años - luz de la Tierra, la luz que vemos ahora es la que partió de Sirius 8,8 años atrás.

Answer:

C. we see Sirius as it looked 8.8 years ago.