Across
- 3. The way of expressing numbers that are too big or too small to be conveniently written in decimal form
- 4. The two points in the year when the sun and moon are on the same or opposite sides of the Earth
- 6. The acronym for "Universal Location of Galactic"
- 10. The group of individuals who are credited with the founding of a particular organization or country
- 12. The two points in the year when the sun is at its most northerly or southerly point in the sky
- 13. The two different views of the solar system, with "Geo" referring to the Earth-centered view and "Helio" referring to the Sun-centered view
- 14. The three laws of planetary motion
- 15. The ancient structures or monuments that were used to mark the passage of time or to align with celestial events
Down
- 1. The two points in the year when the sun is directly above the equator
- 2. The patterns of stars in the sky that were used by ancient civilizations for navigation and storytelling
- 5. The maps of the stars and constellations in the sky
- 7. Phases The different appearances of the moon as it orbits the Earth
- 8. The three laws of motion
- 9. The way in which something has evolved or transformed over time
- 11. The unit of measurement used in the scale of the universe