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Across 4. What galaxy gives off the energy of ten trillion suns? 5. What plant is 3,675 million miles from the sun? 9. When a star explodes in is called what? 10. This is called what when it is measured from shortest to longest wavelength? 11. This is inclined 23.5 degrees? 13. What man tinkeres with waterwheels and windmills as a boy? 14. What do you call stars that apper close to each other? 16. When a star changes in brightness it is called what? 17. When something is out of orbit it is called What? 18. What is the name for the hightest pointor level? 20. This star is called the white main sequence? 22. What is another name for a optical telescope? 24. This galaxie has been at work for 12 million years? 25. This mans frist name was Edwin? 26. This consisting of protones and neutrinos is called what? 27. What is Avon Park Latiude? 29. The point above observer that is directly opposite of the nadir is what galaxy? 30. This man diceverd the plant pluto?

Down 1. What do you call a interstellar cloud of dust? 2. This star makes the eye of Taurus? 3. This star is one of the stars that makes the swan? 6. What is the name for measureing the brightness of a star? 7. This is a lense used in a telescope? 8. What do you call a large eruption of lumineus hydrogen? 12. This plant is 890 million miles away? 15. What happen when a white dwarf cools? 19. This galaxie is 10 billon light years away? 21. What is in the center of M87? 23. The plan defined by plants witch they orbit is called what? 28. This is the measure of the north horizon?