Question

9. What is the unit of distance that scientists use to measure distances between the solar system

and other stars?
a. astronomical unit
b. parallax
c. stellar unit
d. light-year

Answer 1

Scientists use the unit of distance called a light-year to measure distances between the solar system and other stars.

Step-by-step explanation:

Scientists use the unit of distance called a light-year to measure distances between the solar system and other stars.

A light-year is the distance that light travels in one year in a vacuum, which is approximately 5.88 trillion miles or 9.46 trillion kilometers.

For example, if a star is located 10 light-years away from the solar system, it means that the light we see from that star took 10 years to reach us.

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