Across
- 2. A distinctive cone-shaped structure that only forms in rock as a result of high pressure, such as underneath a meteorite impact.
- 4. An adjective used to describe something related to the Moon.
- 5. How bright an object in space appears from the Earth.
- 12. The process by which the age of a fossil or rock is determined through measuring the decay of radioactive isotopes.
- 14. To decrease in size, also known as waning - normally applied to the time when the illuminated part of the Moon is getting steadily smaller progressively each night.
- 15. To increase in size, also known as waxing-normally applied to the time when the illuminated part of the moon is getting progressively larger each night.
- 16. The phenomenon that occurs when the Sun, Earth, and Moon align on the night of a full Moon, causing the Earth to block light from the Sun and cast a shadow on the Moon.
- 18. Space debris, a comet, or an asteroid that passes through the Earth’s atmosphere.
- 21. A rocky object that orbits the Sun.
- 26. An object that exists in the Universe, such as a planet or star, also known as a celestial body.
- 28. The region in the Solar System that contains many asteroids.
- 29. The galaxy that the Solar System belongs to , containing several hundred billion stars and shaped like a spiral.
- 30. A meteor that occurs randomly and not as part of a meteor shower.
- 33. Microscopic lines that form in the rocks of meteorite impact craters.
- 34. A natural phenomenon by which all things with all things with mass are brought towards one another.
Down
- 1. A lump of frozen gasses, rock, and dust that orbits the Sun.
- 3. How bright an object in space appears at a standard distance of 32.6 light-years or 10 parsecs.
- 6. An adjective used to describe a substance that has the characteristics of a gas.
- 7. The phenomenon that occurs when the Sun, Earth, and Moon align, causing the Moon to block light from the Sun and briefly leave the Earth in Darkness.
- 8. A part of the year that differs in terms of climate and daylight, caused by the Earth’s tilted axis as it orbits the Sun.
- 9. A small lump of ice or rock formed when an asteroid or comet breaks apart.
- 10. A line through the center of an object, such as the Earth, that the object rotates around.
- 11. An object in space, such as an asteroid, whose orbit will bring it close to the Earth.
- 13. The route an object will travel through space.
- 16. One of the distinct shapes of the moon as seen from the Earth, caused by the position of the Earth, Sun, and Moon.
- 17. The group of planets and moons that orbit the sun.
- 19. The property of reflecting light.
- 20. An increased amount of meteor sightings that appear to come from the same point in the sky over a short period of time.
- 22. A thumbprint-shaped depression on the surface of a meteorite.
- 23. A large, bowl-shaped hole in the ground normally caused by explosions or impacts.
- 24. The act of turning or Spinning in a circle-the Earth rotates around an axis, creating night and day.
- 25. A system of millions of stars, and huge clouds of dust and gas, held together by gravity and the force of attraction.
- 27. An adjective used to describe something that repeats itself in the same order over a period of time.
- 31. A meteoroid that has passed through the Earth’s atmosphere and hit the ground.
- 32. The curved path a planet or object takes as it travels through space.
- 33. A large, spherical object in space that orbits a star and is large enough that its gravity clears other objects from its orbit.