Across
- 5. Hot stuff from a vent
- 6. Measured in degrees or radians between intersecting rays
- 8. Apex predator native to Asia
- 10. Invention that transmits electromagnetic waves
- 11. The atmosphere's visible expanse
Down
- 1. Luminous sphere of plasma undergoing nuclear fusion
- 2. A feline mammal
- 3. City of lights, home to the Louvre
- 4. The additive identity in arithmetic and algebra.
- 7. Transcendental number
- 9. Climber seen at Yale, maybe