trajectory
OB Science YouTuber Orbit Violated
image text translation (1)A person who serves in a public institution is a quasi-public servants(2)Proprietary …
Your life’s movement trajectory.jpg
The white dot is the sunThe blue line is the Earth’s moving trajectoryIt’s the total …
World’s Longest Exposed Photographs
8년..A graduate student of the world’s longest exposure process made a camera through a can …