Across
- 3. reflects light from the sun
- 4. first satellite to be launched into space
- 6. telescope that floats in space above the earth
- 7. distance light travels in a year
- 8. has the power to launch a spacecraft into space
Down
- 1. Earth's local star
- 2. ball of ice with 2 tails
- 4. anything that orbits a planet
- 5. John _____ was the first U.S. astronaut to orbit Earth