Across
- 2. What is a massive, luminous sphere of plasma in space?
- 4. What do we call a celestial body orbiting a star, large enough to be rounded by gravity?
- 5. What is Earth’s natural satellite?
Down
- 1. What do we call a system of billions of stars, gas, and dust held together by gravity?
- 2. What is the star at the center of our solar system?
- 3. What is a small rocky body orbiting the sun, mostly found between Mars and Jupiter?
- 5. Which planet is known as the “Red Planet”?