Rside-11.1 & 12.1-avery stuart

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Across
  1. 2. a cloud of gas and dust in space
  2. 3. greek mathematician astronomer and geographer who's work supported the geocentric model of the solar system
  3. 7. a flash of light that we see in the sky when a small chunk of debris burns up and passes through our atmosphere
  4. 8. a type of stellar remnant that can result from the gravitational collapse of a massive star after a supernova (densest and smallest stars)
  5. 9. the process in which the nuclei of atoms fuse together to form larger single atoms creating an enormous amount of energy
  6. 10. a star with masses less then half of the mass of the sun.
  7. 12. a fixed luminous point in the sky that is large remote incandescent body
  8. 14. a telescope that uses inferred light to detect celestial bodies.
  9. 16. the partly shaded outer region of the shadow cast by an opaque object
  10. 18. the shape of the moon seen by someone on earth
  11. 22. a constellation visible throughout the year in most of the northern hemisphere
  12. 23. a diagram made by hurtzsprung that shows the absolute magnitude of stars.
  13. 29. the tilt of the earth on its axis 23.5 from flat plane of earths orbit
  14. 34. moon the phase of the moon where its whole disk is illuminated
  15. 36. the rotation of the solid earth around its own axis
  16. 37. when the sun reaches it highest or lowest point in the sky by noon
  17. 38. description of the cosmos where earth is at orbital centre of celestial bodies
Down
  1. 1. moon the phase of the moon when we see the moon half illuminated
  2. 4. a meteor that survives its passage through the earths atmosphere such that part of it strikes the ground.
  3. 5. an eclipse in which the moon appears darkened as it passes onto earths shadow
  4. 6. the change in wave lengths of electromagnetic radiation or sound that occors because lf the movement of the source relative to an observer
  5. 11. in the middle of low and high mass stars
  6. 12. a dramatic, massive explosion that occurs when a large high mass star collapses on its self.
  7. 13. Italian physicist who's use of the early telescope aloud him to make many observations that confirmed Copernicus model
  8. 15. polish astronomer that first proposed the heliocentric model of the solar system
  9. 17. an expert in astronomy
  10. 19. german mathematician and astronomer who determined that that planets in our solar system orbit the sun in elliptical paths
  11. 20. a large mass that forms by contraction out of the gas of a giant molecular cloud in the interstellar medium
  12. 21. a white dwarf that is cooled down to the temperature of the cosmic background and so it is invisible
  13. 23. a theory that places the sun at the centre of the universe
  14. 24. fully shaded inner region of a shadow cast by an opaque object
  15. 25. an overshadowing of earth the occurs when the moon is between the sun and the earth and the moon blocks the suns light.
  16. 26. the material that fills space made up of gas
  17. 27. a group of seven stars in the constellation Ursa major (the great bear)
  18. 28. a small body moving in the solar system that would become a meteor if entered the earths atmosphere
  19. 30. go through similar process to low mass stars but faster
  20. 31. a group of stars forming a recognizable pattern
  21. 32. small relatively cool star on the main sequence and are the most common star in the milky way
  22. 33. a star that has burned uP all of the hydrogen they once used as nuclear fuel
  23. 35. a large sphere of incredibly tightly packed materials with an extraordinary amount of gravitational pull created when a star collapses into its self.