Space Chapter 8

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  1. Electromagnetic radiation
    radiation consisting of electromagnetic waves that travel at the speed of light
  2. Refracting Telescope
    telescope that uses a lens to collect light
  3. Reflecting Telescope
    telescope that uses a mirror to collect light
  4. Satelite
    human made object that orbits the earth, moon, or other celestial bodies.
  5. Orbiters
    observatories that orbit another
  6. Solar Nebula Theory
    theory that describes how stars and planets form from contracting, spinning disks of gas and dust
  7. Star
    celestial body made of hot gases, mainly hydrogen and some helium
  8. Protostar
    a hot condensed object at the center of a nebula
  9. Nebula
  10. Nuclear Fusion
    process of energy in which hydrogen nuclei combine to form helium nuclei
  11. Photosphere
    Suns surface
  12. Sunspot
    area of strong magnetic fields on the photo sphere
  13. Solar Wind
    stream of fast moving charged particles ejected by the sun into the solar system
  14. Solar Flare
  15. Importance of the sun
  16. Luminosity
    stars total energy output per second: it power in joules per second (J/S)
  17. Absolute Magnitude
    magnitude of a star that we would observe if the star were 32.6 light years away from earth
  18. Spectroscope
    optical instrument that produces a spectrum from a narrow beam of light, usually projects the spectrum onto a photographic plate
  19. Spectral Lines
    certain specific wavelengths within a spectrum characterized by lines; spectral lines identify specific chemical elements
  20. Hertzsprung Russel(H-R) Diagram
    graph that compares the properties of stars
  21. Main Sequence
    narrow band of stars on HR diagram that runs directly from the top left to the bottom right. 90 percent of stars including the sun are in the main sequence
  22. White dwarf
    a small, dim, hot star
  23. Supernova
    massive explosion in which the star loses its entire outer portion by getting blown off
  24. Neutron Star
    a star so dense that neutrons can exist in its core
  25. How low mass stars evolve
  26. How high mass stars evolve
  27. How Intermediate mass stars evolve
  28. Black hole
    the remnant of a supernova explosion with a gravitational field so strong that nothing including light can escape its pull
Card Set:
Space Chapter 8
2015-01-08 15:13:16

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