Across
- 2. It takes the Earth 365 days to do this
- 4. Large rock that enters Earth's atmosphere
- 5. A robotic hand on the ISS
- 6. A term given to the outer 4 planets
- 7. Type of eclipse occurs when the Earth casts a shadow on the moon
- 10. The distance between Earth and the Sun
- 14. Stars are this colour tend to be the coolest
- 16. Ursa Major is an example of this
- 18. Name of our galaxy
- 19. Ice moving through space
- 20. This accounts for all the unseen gravitational forces
- 23. Astronomical event when the Earth is either most tilted towards or away from the Sun
- 24. How bright a star appears from Earth
- 26. Planets,stars,and moons are all examples of what?
Down
- 1. The largest planet in our solar system
- 3. This type of spectrum indicates which wavelengths of light are being released
- 6. Earth-centred model
- 7. The distance light travels in one year
- 8. These are found between Mars and Jupiter
- 9. Larger stars can either turn into a neutron star or a ____ ______
- 11. In nuclear fusion, this element is the first element that fuses to form helium
- 12. What season is marked by the vernal equinox?
- 13. As our Sun starts to run out of fuel, it will turn into this
- 15. What stars start out as
- 17. An area on the Sun where the gas is cooler than the surrounding gasses
- 21. Absolute magnitude depends on the distance of the star and _____
- 22. Made up of stars, planets, gas, and dust
- 25. Pluto is this type of planet