The document contains definitions for space-related terms like aliens, describing imaginary creatures from space, and molten, meaning made liquid by heat. It also defines non-space terms like barge, meaning a large boat for carrying freight, and ore, a rock containing enough metal to make mining profitable. The document provides brief definitions for multiple terms.

1. SPACE CADETS

2. ALIENS Imaginary creatures from outer space

3. BARGE A large, strongly-built boat or ship for carrying freight or waste

4. Friendly; receptive HOSPITABLE

5. MOLTEN made liquid by heat; melted

6. ORE Rock containing enough of a metal or metals to make mining profitable

7. To keep yourself from doing something REFRAIN

8. UNIVERSAL Existing everywhere, for all purposes

9. VERSION Aspecial form or variant of something