>>18317625The stars are in the firmament and rotate around polaris. You're physically too close to see the sourthern cross because from your perspective it's below the horizon. If you traveled south it would appear to rise from the horizon until you went so far south it was overhead.
If you want the detailed answer, you probably don't though but whatever, you should give this video a watch because it will answer all those questions and then some.
Schooling Globers - Episode 7 - Azimuthal Grid of Vision
https://www.youtube.com/watch?v=HV89DJhCsCE 