SCIFI movie - title unknown (Help?)

Filmed from Europe

Color Film

under 20 years old film made from this posting date

Explorer crew 

Came to an unknown planet

and something happened to the spaceship

Survived on unknown  planet 

The last 2 people found a hidden "cavern" 

Saw some alien skeleton

A male opened his helmet and went to the wrong pocket area with no air he died.

 The last-survivor female walked and found a breathable bubble that looked like the Garden of Eden

She opened her helmet and was able to breath

She is in a small tiny cracked deep mountain with clouds and is not possible to be seen from outside

and hoping to be rescued. (the film ended).