je2's profile - activity

2020-10-13 10:32:54 -0600	received badge	● Enthusiast
2020-10-09 00:24:48 -0600	received badge	● Student (source)
2020-10-09 00:19:29 -0600	asked a question	Calculating motion of Spacecraft/Camera Calculating motion of Spacecraft/Camera Use case: Assume a spacecraft observing the Earth travels along its orbit fast