Across
- 3. The visible surface of the sun.
- 5. 17 Mission to the moon that brought back rock samples
- 10. Foucault Pendulum, Day and Night, Coriolis Effect
- 11. A bowl shaped depression formed from the impact of a meteorite
- 13. 0 km/hour
- 17. The spinning of the Earth on it’s axis every 24 hours.
- 18. The imaginary line between the poles about which the Earth rotates.
- 21. A The axis of the Earth points towards this star in the northern hemisphere
- 22. Depends on the distribution of mass and rotation rate of a spinning object
- 25. The inner layers of the sun’s atmosphere
Down
- 1. Electrically charged particles that stream off the corona of the sun.
- 2. The time difference of one hour for every 15 degrees longitude.
- 4. Mass. 1300 km/hour
- 6. Dark spots on the photosphere of the sun that rotate across the surface.
- 7. 1690 km/hour.
- 8. The study of the universe
- 9. A line of longitude every 15 degrees.
- 12. 24 hours
- 14. The starting point for standard time zones in Greenwich, England
- 15. (1851) The shift in direction of a pendulum due to the rotation of Earth. 11 degrees/ hour.
- 16. The plane that contains the Earth’s orbit
- 19. The fourth state of matter; found on the sun and fluorescent light bulbs.
- 20. The process in which mass is converted to energy.
- 22. Between 4.2 and 4.5 billion years ago.
- 23. A rocky or icy fragment that travels through space
- 24. Extensive dark basins on the moon formed by lava.
- 25. The sun’s thin outer atmosphere is a millionth the brightness of the photosphere