dorisbarin123 dorisbarin123 12-09-2021 Chemistry contestada Astronomy- Question 2 1 pts An alien spaceship travels in a straight line for 10kpc, and then for 3000lyr. How far has it travelled in total, in km? A. 3 x 10 to the exponent 20 B. 3.37x10 to the exponent 17 C. 1.87x10 to the exponent 17 D. 2.87x10 to the exponent 16