Science 10

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Rayna
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299780
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Science 10
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2015-04-29 18:22:43
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Science
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A Beka Science
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  1. who developed the three laws of planetary motion (also discovered planets didn't travel in circles)
    Johannes Kepler
  2. What means the closest point to the sun
    perihelion
  3. farthest point from the sun
    aphelion
  4. term used to express units of length (distance between earth and sun)
    astronomical units
  5. what force of attraction that exists between any two objects
    gravity
  6. What astronomer wrote book  Almagest mathematically described geometric view of the universe
    Ptolemy
  7. popularized a heliocentric system
    Aristarchus
  8. polish astronomer who proposed heliocentric system
    Nicolaus Copernicus
  9. an astronomer that discovered the fazes of Venus that helped prove a heliocentric view
    Galileo
  10. sun planets and moons orbit the sun form
    solar system
  11. What is the fastest planet
    mercury
  12. "earth's twin"
    Venus
  13. what term means moving backward from east to west
    retrograde
  14. what is the distance between the earth and the sun
    93,000,000 mi.
  15. space that does not contain any matter
    vacuum
  16. what does the word planet mean
    "wanders"
  17. what are Kepler three laws of planetary motion
    1. every planet orbits the sun in an ellipse, with the sun as one focus of the ellipse and an empty point in space as the other

    2. as a planet moves closer to the sun, it travels faster; and as it moves farther away, it sows down.

    3. the farther a planet's average distance from the sun , the longer its period.
  18. an object that revolves around another object is
    satellite
  19. when the sun is blocked by the moon
    solar eclipse
  20. the moons dark patches ; also means "seas"
    maria or mare
  21. astronomer who discovery of the phases of Venus helped prove the heliocentric view
    Galileo
  22. what is the largest known volcano in the solar system.
    Olympus Mons
  23. what planet has the moon Ganymede, largest moon in solar system
    Jupiter
  24. what are the two moon of Mars
    • Phobos
    • Deimos
  25. the point in a plane's orbit that is farthest from the sun is called
    aphelion
  26. the point in a planet's orbit that is closest to the sun is called
    perihelion
  27. name the first new planet discovered that is an outer planet with retrograde rotation
    Uranus
  28. which asteroids travel before and behind the planet Jupiter
    Trojan Belt
  29. what are small chunks of rock or metal in space
    meteoroids
  30. What is a meteoroid that has entered the earths atmosphere
    meteor
  31. Meteor that has landed on the earths surface
    Meteorite
  32. what is an asteroid-size object that is made of tock and frozen materials and forms a bright tail
    comet
  33. term for asteroids located in the inner solar system
    NEAs (near-earth asteroids)
  34. dust and gas that form a cloud around the senter of a comet
    coma
  35. imaginary sphere with earth at center and hevenly bodies on its inner cerface
    celestial sphere
  36. line that separates visible portion of celestial sphere from part that we can't see
    horizon
  37. what imaginary zone in the sky contains the sun, moon, and planets
    zodiac
  38. what did astronomers call the 88 different zones of the celestial sphere
    constellations
  39. period of time the moon takes to orbit the earth
    lunar month
  40. what constellation contains the North Star or also known as Polaris
    Little Dipper (Ursa Minor)
  41. what is the brightest summer star
    Vega
  42. which asterism is found between constellations Pegasus and Andromeda
    Great Square
  43. what is the brightest constellation and has the star Bellatrix
    Orion
  44. brightest star in the heavens and part of  the Canis Major
    Sirius
  45. small group of stars used to form a picture of object are
    asterisms
  46. what is the most familiar sight in the Southern sky
    Crux (Southern Cross)
  47. prominent asterism contains stars Deneb, Vega, and Altair
    Summer Triangle
  48. what is the visible part of the sun
    Photosphere
  49. what is the high-speed stream of particles beating against the outer layer of the Earth's atmosphere
    Solar Wind
  50. tremendous bursts of energy caused by magnetic stress within the sun
    solar flares
  51. three spheres of the chromosphere
    • 1. spicules
    • 2. solar flares
    • 3. solar prominences
  52. flame like columbs of gas continualy erupting from the lowest layer of the sun's atmosphere
    spicules
  53. outer most layer of the sun's atmosphere
    corona
  54. what is the apparent change in position of an object caused by the actual change in the position of the observer
    parallax
  55. observed brightness that a star would have to an observer located 10 parsec away is the ?
    absolute magnitude
  56. term that is short for parallax second
    parsec
  57. what are the dark patches on the sun caused by the sun's magnetic field
    sunspots
  58. what is the brightness of a star as it appears to a observer on the earth
    apparent magnitude
  59. "bubbles" that cover the surface of the photosphere
    granules
  60. larger than normal convection sells that cover the sun's surface and last 12 to 24 hours
    supergranules
  61. term for star always above the horizon to an observer at a particular location
    circumpolar
  62. thin layer of sun's atmosphere that releases ultra violet radiation
    region
  63. to determin the distance to a star astronomers measure what angle
    stellar parallax
  64. what is a system where to stars are bound together by gravity
    binary star
  65. what is a massive star system containing millions to billions of stars as well as gas and dust
    galaxy
  66. what is the largest galaxy in the Local Group
    Andromeda Galaxy
  67. what galaxy shape is the Milky Way
    barred spiral
  68. large cloud of gas and dust in space
    nebula
  69. to determine the distance to a star, astronomers measure what angle
    Stellar Parallax

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