Across
- 2. Paradox discrepancy between the lack of conclusive evidence of advanced extraterrestrial life and the apparently high likelihood of its existence.
- 4. all existing matter and space considered as a whole; the cosmos.
- 5. the chemical element of atomic number 16, a yellow combustible non-metal.
- 6. the act of transferring something from one spot to another, like a radio or TV broadcast, or a disease going from one person to another.
- 7. a planet that orbits a star outside the solar system.
Down
- 1. of or from outside the earth or its atmosphere.
- 2. distant or remote.
- 3. an optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses, or of curved mirrors and lenses, by which rays of light are collected and focused and the resulting image magnified.