Space Voyage 2 Alien Planet
They had entered a cave on the undiscovered world. As far as they knew the planet was safe. The air was breathable. No vicious plant life, (A new safety precaution since a month or so before a captain arrived on earth with her whole crew wiped out.) the creatures didn’t appear to very dangerous. But there was one area radiating with energy on the planet. A cave. It wasn’t a volcano, and it was impossible to probe the inside. Scans would go through the lead surface of the cave, the inside was...