Across
- 2. collection of sun, moon and planets
- 4. space telescope that allows us to see farther stars, planets and galaxies
- 5. used pulsating stars to calculate distance
- 6. Hale's design used a large ________ instead of a lens
Down
- 1. found four moons of Jupiter
- 3. telescope technology has given evidence that the universe is __________
- 4. designed a powerful telescope to look beyond solar system
