I got stuck at L1 just last week.
(But what orbinaut didn't already know this?) ;-)
https://www.bloomberg.com/news/feat...man-s-math-could-help-nasa-put-people-on-mars
(But what orbinaut didn't already know this?) ;-)
https://www.bloomberg.com/news/feat...man-s-math-could-help-nasa-put-people-on-mars