News for hackers. Stuff that matters.

A comment on NASA's Perseverance rover will attempt to land on Mars this week. Parent comment

Re:NASA's Perseverance rover will attempt to land on Mars th... by op03 on Tuesday February 16, 2021 @10:01PM (#26162138)
Why would it be complicated though? Is gravity changing a lot? I thought it was just a constant you plug into equations. Air density on the other hand I would think can change for hundred different reasons from one second to the next.
[ Parent | on HN ]
Re:NASA's Perseverance rover will attempt to land on Mars th... by simonh on Wednesday February 17, 2021 @04:52AM (#26164634)
In context the comment is about simulating the conditions physically, hence discussion of vacuum chambers and aircraft.
[ Parent | on HN ]