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Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
Sun, Stars And Galaxies
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Sun, Stars And Galaxies

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Pearson 6th Earth Science terms and defintions

Pearson 6th Earth Science terms and defintions

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  • 1. Ch. 17- Stars and Galaxies
  • 2. 1. ____________________- radiant energy transferred by waves; includes x-rays, visible colors, ultraviolet, infrared, microwave and gamma rays electromagnetic spectrum
  • 3.  
  • 4.  
  • 5. 2. ____________________- first type to be developed; uses a convex lens; bigger the lens, less accurate refracting telescope
  • 6.  
  • 7. 3. _____________________- concave mirror; reflects to eyepiece and is enlarged reflecting telescope
  • 8.  
  • 9. 4. _______________- dish plus receiver; collects radio waves radio telescope
  • 10.  
  • 11. 5. ________________- telescope above Earth’s atmosphere; provides better images without atmospheric distortions Hubble telescope
  • 12. 6. _____________- star pictures in the night sky 7. ________ _________- how bright a star appears from Earth 8. ________ _________- the actual brightness of a star constellations apparent brightness absolute brightness
  • 13.  
  • 14. 9. ________- the distance light travels in a year (light speed = 186,000 mps) light year
  • 15. 10. ________- apparent change in position of an object when you look from different places parallax
  • 16. 11. ____________- a graph that relates the temperature and absolute brightness of stars H-R diagram
  • 17.  
  • 18. 12. _____________- diagonal area on a H-R diagram that includes 90 % of all stars Main sequence
  • 19. 13. ______- low-density cloud of gases and dust nebula
  • 20.  
  • 21. "For the eyes of the Lord run throughout the whole earth to show Himself strong in behalf of those who are fully committed to Him."  THIS IS A PICTURE NASA TOOK WITH THE HUBBLE TELESCOPE.. IT IS SIMPLY CALLED "THE EYE OF GOD".
  • 22. 14. _________- a contracting cloud of gas and dust with enough mass to form a star protostar
  • 23. 15. ____________-dense core of dying star (so dense that one spoonful on Earth would weigh several tons ) white dwarf
  • 24. 16. ____- sudden brightness of a star nova
  • 25. 17. _________- major outburst of energy supernova
  • 26. 18. ____________- mass left after supernova collapses neutron star
  • 27. 19. ______- rapidly spinning neutron star; emits energy waves at regular intervals pulsar
  • 28. 20. __________- matter condensed so tightly that no light can escape black hole
  • 29. 21. ______________- when two stars orbit each other binary system 22. _______________- a system in which one star periodically blocks the light from another eclipsing binary
  • 30. 23. __________- loose, disorganized area with only a few thousand stars; _________ _______- large grouping of older stars open cluster globular cluster
  • 31. 24. _________- great, swollen stars near the end of their existence red giant
  • 32. 25. ______- large group of stars, gas, dust and satellites held together by gravity galaxy
  • 33. A. ________- most common type elliptical
  • 34. B. ______- curved arms from inner parts ________- our galaxy Milky Way spiral
  • 35. C. __________- all others irregular
  • 36. Big Bang Theory
    • A theory of how the universe began.
    • States that between 13 and 15 billon years ago, all the matter and energy in the known cosmos was crammed into a tiny compact point. This matter and energy exploded and within seconds the fireball ejected matter and energies at the speed of light. This matter began to split apart and developed what we know as the universe today.
  • 37. Timeline of the Big Bang
  • 38. 26. _________ _____- the farther away a galaxy is, the faster it is moving Hubble’s law
  • 39. 27. __________________________- electromagnetic radiation through the cosmos Cosmic background radiation
  • 40. 28. _____________- a rotating cloud of gas and dust that could have formed our solar system Solar nebula
  • 41. 29. _____________- outer parts of nebula that became planets planetesimals
  • 42. 30. __________-matter that does not give off radiation; cannot be seen; inferred by observing its effect on other objects
  • 43. 31. ___________- mysterious force that seems to be causing the expansion of the universe to accelerate dark energy
  • 44. 32. Stars are classified by: A. _______________ B. _______________ C. _______________ size brightness temperature
  • 45. How big are we?
  • 46. 1. Earth compared to the smaller planets (Venus, Mars, Mercury and Pluto):                                                                                            1. Earth compared to the smaller planets (Venus, Mars, Mercury and Pluto):
  • 47. 2. Earth compared to the larger planets (Jupiter, Saturn, Uranus and Neptune):
  • 48. 3. The larger planets compared to the Sun:
  • 49. 4. Our Sun compared to Sirius, Pollux and Arcturus:
  • 50. 5. Sirius, Pollux and Arcturus compared to Rigel, Aldebaran, Betelgeuse     and Antares
  • 51. The End

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