Across
- 1. a round shape or figure
- 4. circular; curved in shape or stature
- 5. a word Einstein uses in one of his famous theories about gravity
- 6. molecules sticking/being attracted to each other
Down
- 1. the flattest planet in our solar system
- 2. a force that attracts objects toward one another
- 3. a body/mass that moves in an orbit around a star
- 7. a star located roughly in the center of our solar system