Across
- 1. A building with a domed ceiling where you can watch projected images of the night sky.
- 5. A tube-shaped instrument with lenses that helps you see distant objects in the sky more clearly.
- 6. Any object, natural or man-made, that travels in a loop around a planet to send signals or collect data.
- 8. A scientist who uses math and physics to study stars, planets, and the universe.
- 10. A person who is trained to travel into space and work on a spacecraft.
Down
- 2. The third planet from the Sun and the only one known to have liquid water and life.
- 3. A very large and round object as Mars or Jupiter.
- 4. A general term for any vehicle designed to travel and operate outside the Earth's atmosphere.
- 6. A massive ball of burning gas that produces its own light, like the Sun.
- 7. A giant system containing millions or billions of stars, like our own Milky Way.
- 9. The natural object that moves around the Earth and shines at night by reflecting sunlight.
