Light-yearScience brain teasers require understanding of the physical or biological world and the laws that govern it.
A light-year is the distance that light travels in a year. How many light-years are we away from the nearest star?
HintIt's a star that's not often seen at night.
AnswerAbout 8 light-minutes (or 8/526,000th of a light-year) since the nearest star is our own Sun. The second nearest star is about 4.2 light-years away or 25 trillion miles.
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