As Tom Rivenllin at NASA said: Mars has just enough of an atmosphere that you have to deal with it, otherwise it will destroy your spacecraft. On the other hand it doesn't have enough atmosphere to finish the job.
(quote from the nasa 7 minutes of terror video)
we aren't going to land in a survivable fashion on just wings/parasails any time soon.
-Terry
-----
"so listen up boy, or pornography starring your mother will be the second worst thing to happen to you today"
TF2: Spy
(quote from the nasa 7 minutes of terror video)
we aren't going to land in a survivable fashion on just wings/parasails any time soon.
-Terry
-----
"so listen up boy, or pornography starring your mother will be the second worst thing to happen to you today"
TF2: Spy