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Constellations (Test
| Term | Definition |
|---|---|
| Constellation | a group of stars that form a pattern in the sky when viewed from earth |
| Star | huge glowing balls of gases made up mostly of hydrogen and helium |
| Cluster | a group of similar stars close together |
| Zodiac | belt of space around earth where twelve well known groups of constellations lie |
| Myth | an ancient story usually about gods, heroes, and events that a group believed to be real |
| Galaxy | huge collection of dust, gas, and billions of stars that move together through the universe |
| Hemisphere | half of a sphere |
| Celestial Sphere | an imaginary sphere astronomers use to map out the constellations |
| Circumpolar Constellations | constellations that are always seen in the sky |
| Seasonal Constellations | constellations that are only seen for a part of the year |