Earth and Sun Investigation 2

5. A natural or artificial object that orbits a planet; the Moon is Earth’s natural satellite.
9. The group of four rocky planets closest to the Sun: Mercury, Venus, Earth, and Mars.
11. An important astronomer known for his contributions to the study of the stars and planets, including the use of the telescope.
13. The act of watching and noting the characteristics or behaviors of objects or events.

1. An event where one celestial body moves into the shadow of another celestial body, blocking its light.
2. Large planets that are mostly composed of gases; these include Jupiter, Saturn, Uranus, and Neptune.
3. Icy objects that release gas or dust, forming a glowing coma and tail when close to the Sun.
4. A group of stars that form a recognizable pattern in the night sky, often named after mythological figures or objects.
6. An instrument that makes distant objects in space appear closer and clearer, used by astronomers to observe celestial bodies.
7. Small rocky objects that orbit the Sun, mainly found in the asteroid belt between Mars and Jupiter.
8. The path an object takes as it moves around another object in space, such as planets around the Sun.
10. The shape of the illuminated portion of the Moon as seen from Earth, which changes over time.
12. The sequence of phases that the Moon goes through in approximately 29.5 days, from new moon to full moon and back.