Across
- 1. small rocky bodies that orbit the sun
- 5. the sun is in its ___ ________ stage
- 7. a cloud of gas and dust
- 9. groups of stars that have regularly recognized positions
Down
- 2. The final stage of more massive stars is collapse and then an explosion called a _________
- 3. strictly speaking, in every second that passes, the mass of the Sun
- 4. these planets are mercury, venus, earth, and mars
- 6. these planets include jupiter, saturn, uranus, neptune
- 8. what remains when a supergiant star collapses into itself
- 10. closest star to the earth