Question

Star A is 5.23\times10^75.23×10 7 light years away from Earth, while Star B is 7.1\times10^57.1×10 5 light years away. Which star is closer to Earth?

Answer 1

Star B

Explanation:

If Star A is 5.23*10^7 light years away from earth, and star B is 7.1*10^5 light years away from earth, then the closest Star to earth is Star B.

this is because a light year is 9.461*10^15 m away, if we multiply this, then Star A is 4.948*10^23 m away from earth, and Star B is 6.717*10^21 m away from earth, and this makes it closer when compared to Star A.