Space Stories - Astronomy Words: Light Year

The 365 Days of Astronomy by 365DaysOfAstronomy.org

Sep 23, 202606:05Science & Medicine

Hosted by our Director, Avivah Yamani. A light-year measures distance, not time, but it also lets us see the past. Discover how light turns every telescope into a cosmic time machine. We've added a new way to donate to 3...

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