Space Crossword Puzzle

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Across
  1. 2. The phase of the Moon when its visible surface area increases, leading up to a full moon.
  2. 3. The phase of the Moon when its visible surface area decreases, following a full moon.
  3. 4. Earth's "sister planet," enveloped in a thick, toxic atmosphere primarily composed of carbon dioxide, with surface temperatures capable of melting lead.
  4. 9. Small, rocky objects that orbit the Sun, primarily found in the asteroid belt between Mars and Jupiter.
  5. 10. Famous for its stunning ring system, Saturn is the second-largest planet composed mainly of hydrogen and helium.
  6. 13. The path followed by an object as it revolves around another object in space due to gravitational attraction.
  7. 16. Giant: An extremely massive and luminous star in late stages of stellar evolution, often many times larger than the Sun and nearing the end of its life cycle
  8. 17. A celestial event in which one astronomical body is obscured by another.
  9. 19. A large, celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.
  10. 21. The only known planet to support life, boasting a diverse range of ecosystems and abundant liquid water.
  11. 22. The "Red Planet" with polar ice caps, a thin atmosphere, and surface features suggesting a history of liquid water.
  12. 24. A eclipse occurring when the Earth passes between the Sun and the Moon, causing the Earth's shadow to fall on the Moon, resulting in a partial or total darkening of the lunar surface.
Down
  1. 1. A stable phase in the life cycle of a star where it fuses hydrogen into helium in its core, characterized by a balance between inward gravitational pressure and outward thermal pressure.
  2. 5. An ice giant with a tilted axis causing extreme seasonal variations and a system of rings and moons.
  3. 6. A large and relatively cool star that has expanded and evolved off the main sequence, typically with a swollen outer atmosphere.
  4. 7. A natural satellite that orbits a planet.
  5. 8. The periodic rise and fall of sea levels caused by the gravitational forces of the Moon and the Sun acting on Earth's oceans.
  6. 11. The farthest known planet from the Sun, an ice giant with a dynamic atmosphere and bluish hue, accompanied by rings and moons.
  7. 12. Dwarf: A dense, compact stellar remnant formed from the core collapse of a low to medium mass star, composed mostly of electron-degenerate matter.
  8. 14. The largest planet in the solar system, a gas giant with a dynamic atmosphere, prominent cloud bands, and a Great Red Spot storm.
  9. 15. The closest planet to the Sun, characterized by extreme temperature variations and a heavily cratered surface.
  10. 18. A eclipse where the Moon passes between the Sun and Earth, obscuring the Sun either partially or completely from view.
  11. 20. The different appearances of the Moon as viewed from Earth throughout its orbit, including new moon, crescent, quarter, gibbous, and full moo
  12. 23. The star at the center of our solar system, around which all other celestial bodies orbit.