Light Years

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2. A light-year Is the light travels

Distance to the stars is measured in light-years. A light-year is the distance light travels in a year. Light travels at 186,282 miles per second. In one year, light will travel almost six trillion miles. The distance to our neighboring galaxy, Andromeda.

is about two and a half million light years. This means that it would take a spaceship traveling at light-speed almost two and a half million years to get to the Andromeda galaxy.

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2. A light-year Is the light travels

5. Light travels almost six_mites

In a year.

7. A vehicle that travels through space

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