Intro to Unit 1

Edit Answers
1234567891011121314151617181920212223242526272829303132
Across
  1. 3. magnitude, The actual brightness of a star
  2. 4. Dwarf, A white dwarf that has burnt out completely.
  3. 8. spectrum, different type of radiation based frequencies and wavelengths
  4. 9. shift, the change in the wavelength of light due to an object moving away
  5. 10. magnitude, the brightness of a star as seen from Earth
  6. 12. diagram, shows the relationship of temperature and absolute magnitude
  7. 13. Bang Theory, a theory that explains the development of the universe
  8. 16. an element on the periodic table that has 1 proton
  9. 17. Lowest point of a wave
  10. 19. Nebula, A cloud of gas and dust. A star nursery
  11. 23. an element on the periodic table that has 2 protons
  12. 25. giant star: a star that is burning hydrogen to helium (nuclear fusion)
  13. 26. background radiation, The electromagnetic radiation left over
  14. 27. star, the small, dense remains of a high-mass star after a supernova
  15. 29. A gigantic explosion in which a massive star collapses and explodes
  16. 31. giant, this is the stage of a massive star before the supernova explosion
  17. 32. A contracting cloud of gas and dust with enough mass to form a star
Down
  1. 1. of elements, elements originally in the universe is the same as it is today
  2. 2. The distance between two corresponding parts of a wave =
  3. 5. spectra of elements, the specific pattern of light that each star
  4. 6. Highest point of a wave
  5. 7. mass stars, use up their fuel very quickly and have shorter lives
  6. 11. nebula, cloud of gas that is created from outer layers of a red giant
  7. 14. The transfer of energy by electromagnetic waves
  8. 15. mass stars, stars use up their fuel very slowly and have very long lives
  9. 18. a particle in the nucleus of an atom that is positively charged
  10. 20. hole, spot in space whose gravity is so strong not even light can escape.
  11. 21. dwarf, A small, hot, dim star that is the leftover center of an old star
  12. 22. the number of complete wavelengths that pass a point in a given
  13. 24. sequence star, A normal star that is undergoing nuclear fusion.
  14. 28. a particle in the nucleus of an atom that is neutral in charge
  15. 30. fusion, a nuclear reaction between atoms to form heavier atoms