The easiest observation to disprove Flat Earth?

To try everything Brilliant has to offer—free—for a full 30 days, visit https://brilliant.org/DaveMcKeegan . You’ll also get 20% off an annual premium subscription.X-Spot Aviation video: https://youtu.be/TDyQzIGtf3c?si=ygxE73ruardyFmgpPATREON: https://www.patreon.com/DaveMckeeganPlease consider supporting the channel by making purchases through my Amazon affiliates: https://geni.us/Affiliate This video was sponsored by Brilliant-----------------------------------------------------------------------Music by Bensound.com-----------------------------------------------------------------------#globe #science #flatearth