
Año luz (al)
Interactive Video
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Science, Physics
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4th - 9th Grade
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Hard
Wayground Content
FREE Resource
A light-year is a unit of distance used in astronomy, equivalent to about 9.5 trillion kilometers. It simplifies expressing vast astronomical distances. The nearest star is around 4 light-years away, and the closest galaxy is approximately 25,000 light-years distant.
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