Space Crossword

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4. Brightest star in our galaxy, also shares a name with a character in Harry Potter.
5. Our galaxy is called the ________ and stretches across 100,000ly.
9. A Solar _____ occurs when the moon blocks the sun light from Earth.
10. Wind speeds at the equator of this planet get up to 1800km/h.
11. Contains 100-100,000 stars in a small region of space.
12. Our ______ contains eight planets and a medium massed star.
13. Planet that's tilted 90° on its axis, making it appear to roll.
14. Two weeks into the Moon's cycle, when no light from the moon is illuminated to the Earth.
16. There are 100 billion stars in a ______.
19. An ______ unit is used to measure the distance in our Solar System.
20. A complete spin of Earth on it's axis.
21. A Canadian Commander for the International Space Station.
22. The _____ System is about 4.3ly away from our Solar System.
23. A layer of the Sun that can only been seen during a Solar Eclipse.
25. Contains 100,000s of stars, pulled together in a sphere shape by gravity.
28. A _____ is equivalent to 63,000AU.
29. First person to walk on the moon.
32. A radiation given off by the sun, also gives us sun burns.
36. A medium mass star in our Solar System.
38. Radius of the planet is 71,oookm, and is larger than twice the mass of all the planets combined.
39. Called the 'red' planet because of its rust colour on the surface.
40. Gives of 3x more energy than it receives from the Sun.

1. A planet with 90x the pressure of Earth.
2. 10% of all of space is filled with billions of celestial objects. The rest is filled with ________.
3. Most stars are a _____ System.
6. Theory that the Earth collided with another planet and the debris created the Moon.
7. Theory that the Moon was once part of Earth until it was cast out by the rotation.
8. _____ has a rocky surface like the moon, but also has some smooth areas because of lava flow.
11. Large explosions on the surface of the sun.
12. Cool spots on the Sun's surface that can be larger than Earth.
15. Water covers up to 70% of the planet and exists in all three states.
17. Contains 100s-1000s of stars together in a region of space.
18. Caused because of two galaxies colliding with each other.
19. Different coloured lights in the sky appearing in the North and South of the Earth.
24. One of his conclusions was that almost all the galaxies are moving away from each other.
26. Scientists believe these are at the center of all galaxies
27. A layer of the Sun that oozes Plasma towards the surface.
30. The debris and matter from a ______ can form another celestial object.
31. Where fusion takes place in the sun, and temperatures are over 15 million °C
33. A complete orbit of the Earth around the Sun.
34. The largest of galaxies and contains little dust.
35. As old arms disappear in a _____ galaxy, new ones appear.
37. Large cloud of dust and gas, also called a 'Star Nursery.'