The Gravity of the Situation: Crash Course Astronomy #7
0
0
1,127 بازدیدها·
10/24/23
که در
Life
In today s episode, Phil looks at how gravity plays out across the universe. This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourse Check out the Crash Course Astronomy...
بیشتر نشان بده، اطلاعات بیشتر
0 نظرات
sort مرتب سازی بر اساس
