Astronomers Crossword

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Across
  1. 3. — The seventh planet from the Sun, discovered in 1781.
  2. 4. — Earth coordinate, measures north or south position.
  3. 6. — A tool used to identify stars and constellations.
  4. 8. — Earth coordinate, often paired with latitude.
  5. 9. — The apparent path of the Sun across the sky.
  6. 11. — Point in the sky directly below the observer.
  7. 16. — A group of stars forming a recognizable pattern.
  8. 18. — A planet orbiting a star outside our solar system.
  9. 19. — The "thirteenth" constellation of the zodiac.
  10. 21. — Force that keeps planets in orbit around the Sun.
  11. 23. — The compass direction of a celestial object.
  12. 24. — The compass direction to find stars in the sky.
  13. 25. — Astronomer who discovered Jupiter’s largest moons.
Down
  1. 1. — The model that places the Sun at the center.
  2. 2. — The shape of planetary orbits, according to Kepler.
  3. 5. — Celestial coordinate similar to latitude on Earth.
  4. 7. — Apparent backward motion of planets in the sky.
  5. 10. — Astronomer who proposed the Sun-centered solar system.
  6. 12. — Point in the sky directly above the observer.
  7. 13. Brahe — Astronomer who observed a famous supernova in 1572.
  8. 14. — The North Star, part of Ursa Minor.
  9. 15. Revolution — The era marked by advances like heliocentrism.
  10. 17. — Astronomer who described planetary orbits as ellipses.
  11. 20. — A cloud of gas and dust in space, often a star nursery.
  12. 22. — The angle of a celestial object above the horizon.