Uploaded August 2018 | Updated September 2026, 1 week ago

---

patreon.com/freeschool - Help support more content like this!
If you've started learning about space, you've probably heard the term 'light year.' But what is a light year? Despite how it may sound, a light year is a unit of DISTANCE, and helps us talk about distances in space. (Hint: objects in space are really, really far apart!)

Like this video if you want to see more videos about SCIENCE!

Subscribe to FreeSchool: youtube.com/user/watchfreeschool?sub_confirmation=1

Visit us on Facebook: facebook.com/watchFreeSchool

Check our our companion channel, FreeSchool Mom! youtube.com/channel/UCTcEtHRQhqiCZIIb77LyDmA

And our NEW channel for little ones, FreeSchool Early Birds!
youtube.com/channel/UC3OV62x86XHwaqsxLsuy8dA