Across
- 5. a gas giant made up mostly of hydrogen and helium
- 6. the moon when half its disk appears illuminated
- 8. fine, dry powder
- 10. happens when Earth passes through the path of a comet.
- 11. any region in space outside the solar system
- 12. whose orbits are closer to the sun than the earth's
- 16. when day and night are of approximately equal length
- 19. collection of eight planets and their moons in orbit around the sun
- 23. are the four planets closest to the Sun are called
- 24. the force that attracts a body toward the center of the earth
- 26. the great circle that is the apparent path of the Sun among the constellations in the course of a year
- 27. the angle between the planet's rotational axis and its orbital axis
- 28. a star of relatively small size and low luminosity
- 29. moon in which its whole disk is illuminated
- 30. The sixth planet from the Sun and the second largest
- 31. the Greek god of the underworld
- 32. an object hitting the surface
- 35. an astronaut of the Soviet or Russian space program.
- 37. a piece of rock
- 38. around 24 hours is a
- 39. one of two ice giants in the outer solar system
- 40. the natural satellite of the earth
- 44. womanhood, fertility, intuitiveness, psyche and empowerment.
- 48. a place in space where gravity pulls so much that even light can not get out
- 49. a small, icy object that orbits the sun
- 50. something that is related to the moon
- 51. a theory in astronomy
- 52. to become weaker in strength or influence
- 53. Pluto is known as a
Down
- 1. a region of space between the orbits of Mars and Jupiter where most of the asteroids in our Solar System are found orbiting the Sun.
- 2. the planet on which we live
- 3. The seventh planet from the Sun
- 4. a celestial body that is in orbit around
- 7. The fourth planet from the Sun
- 9. an occasion when the sun looks like it is completely
- 10. a small body moving in the solar system that would become a meteor
- 13. a piece of glass or other transparent substance
- 14. a rock that falls to Earth from space
- 15. often simply means "universe"
- 17. small, rocky objects
- 18. an oval-shaped path, like a slightly elongated circle
- 20. A group of stars seen as forming a figure or design in the sky
- 21. the Roman goddess of love and beauty
- 22. a system of millions or billions of stars
- 25. system of two stars that are gravitationally bound to and in orbit around each other.
- 33. an expert in or student of astronomy
- 34. the moon does what
- 36. the study of everything in the universe beyond Earth's atmosphere
- 41. third phase of the moon cycle
- 42. a certain phase of the moon, when it's bulging outward but isn't quite full.
- 43. shooting stars are
- 45. a continuous area or expanse which is free
- 46. a heavy silver-white poisonous metallic element that is liquid at ordinary temperatures
- 47. how compact or concentrated something is