science space vocab+Big Bang

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Across
  1. 5. what's left behind after a super nova accrues for super massive stars
  2. 6. a tool/concept that organizes events by when they happened
  3. 7. the change in wavelength or light color that happens as an object comes closer or moves away from you
  4. 8. a visual shift in a star's position caused by the earth revolves around the sun compared to space
  5. 12. features in a stars light that allows us to determine its composition density and movement
  6. 18. is the study of how heat and forms of energy can travel or convert into a new source of energy
  7. 19. the distance light can travel in one earth year
  8. 21. the pure vacuum surrounding earth and other celestial bodies it's where we reside
  9. 23. using coils and electricity to create an artificial field
  10. 25. as something moves closer to earth it reflects a certain color/tint
  11. 26. the point where the compactness of the universe will decide its fate
  12. 27. a space between galaxy's where little to no planets or stars reside
  13. 29. a star the brightens then becomes dimmer and is used to measure distances between galaxy's and celestial bodys
  14. 31. tool used to measure something's brightness or electromagnetic radiation
Down
  1. 1. antiprotons antimatter and positrons are all____
  2. 2. when two atoms combine
  3. 3. a theory that explained how the universe was created starting with a massive "explosion"
  4. 4. the average kinetic energy of an atom or molecule
  5. 9. the radiation left behind after the big bang
  6. 10. a satellite in space equipped with a massive lense to study space named after an astronomer
  7. 11. as something moves away from earth it reflects a certain color/tint
  8. 13. a gathering of stars and matter in space all orbiting a black hole
  9. 14. a theoretical point in time when all matter was contained in an infinitely dense blob/sphere
  10. 15. the equivalent of neutrons protons and electrons but have an opposite charge
  11. 16. an insanely hot super dense sphere that later exploded
  12. 17. a number used to represent something's temperature
  13. 20. theory that explained the universe expanded an an insane rate right after the big bang
  14. 22. a category of how things move or act such as gravity and laws of motion
  15. 24. the point where atoms such as hydrogen and helium first formed
  16. 28. ____is the study of the universe and its evolution
  17. 30. a system that describes an object having two pols or having opposite charges on one side (magnets)