Why a Week Has 7 Days ? | w Neil deGrasse Tyson. #education #neildegrassetyson #space

Ever wondered why a week has exactly 7 days and not 5, 8, or 10? 🧐 In this short, Neil deGrasse Tyson takes you on a fascinating journey into history, astronomy, and human culture to reveal the surprising truth behind our calendar. 🌌 #shorts #viralshorts #science #space #education #planets #universe #neildegrassetyson #nasa #astrophysics