Quizlet St. Joes 7th Sci Astronomy test

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  1. A Reflecting telescope uses ________ to see the stars.: Mirrors
  2. A Refracting telescope uses ________ to see the stars.: Lenses
  3. About how many years ago did our universe begin?: 20 Billion
  4. Aside from the Sun, what is our nearest star?: Proxima Centauri
  5. Besides the Earth ( including Pluto) there are how many other planets?: 8
  6. Do we think now, with the evidence we have, that the universe was Hot or cold when it began?: HOT
  7. Does the Sun actually rise and set??: No
  8. Dr. Fred Hoyle called the beginning of our earth the ______?: The Big Bang
  9. Draw a picture of a star: br/><a href='http://myspace.drewpydraws.com/' target=_blank><img src="http://myspace.drewpydraws.com/kids/miscellaneous_188.jpg" border="0" ><br/><font size=1>Free Myspace Pictures from drewpydraws</font></a><br/>
  10. How do we know about the existance of these other planets?: Space Travel, Satilites, Telescopes, Probe Vehicles, and Cameras
  11. List some differences you can think of between ASTRONOMY AND ASTROLOGY.: Astroogy has to do with the star signs and their effects on human life; it is not a science. Astronmy is a Science that studies actual proven facts.
  12. List the moon Phases in order starting with New Moon.: Waxing Crescent, First Quarter, Waxing Gibbous, Full, Wanning Gibbous, Last Quarter, Wanning Crescent, New
  13. Name the Planets IN ORDER from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus, (Pluto)
  14. Tell how gravity works and what it is.: Gravity is the force of attraction between objects. The more mass, the stronger the gravitaional pull.
  15. Tell waht the UNIVERSE is.: An infinite mass of vacuum that contains all the heavenly and celestial bodies.
  16. Tell why the moon has phases.: The shadow of the earth falling on the moon, as the earth revolves around the sun and the moon revolves around the earth.
  17. The Earth is a Planet and it moves around the ________ which has been called an average sized star.: Sun
  18. The first human to set foot on the moon is________-.: Neil Armstrong
  19. The first time any human set foot on the moon is...: July 20, 1969
  20. The hottest planet is ________.: Venus
  21. The name of the gfrouping of stars, planets, gas, and dust that the earth is in is called the _________ ________: The Milky Way Galaxy
  22. The paths that planets move in around the sun are called a planet's___________.: Orbit
  23. The planet that has thin rings and is located just beyond the BIG ringed planet is _________.: Uranus
  24. The Planet which seems: Mars
  25. The whole group of planets, moons, asteroids, and the Sun is called________.: The Solar System
  26. What are enormous groups of stars, gas, and dust are known as?: Galaxys
  27. What are groups of stars that seem to form pictures called?: Constellations
  28. What does the color of the stars tell us about them?: Size, Elements of Matter, Temperature, Brighness,
  29. What does the word ASTRONOMY mean?: The Study of the moon, stars, planets and other space objects
  30. What is a BLACK HOLE?: After a SuperNova EXPLOSION, the core remains so massive, that without the energy created by nuclear fussion to support it, the core is swallowed up by its own gravity. The gravity is so strong that not even light can escape. The core has become a blak hole; a cosmic vacuum cleaner
  31. What is a Meteor?: A streak of light produced by a meteoroid as it burns throught the earth's atmoshphere.
  32. What is a Meteorite?: A meteor that hits the earth's surface.
  33. What is a Meteoroid?: A chunk of metal or stone that arbits the sun.
  34. What is a star.: A huge sphere of hot, glowing, gasses.
  35. What is the main reason that we have seasons?: The tilt of the earth on its axis rotating around the sun in 1 full year
  36. What word best describes the turning of the earth on its Axis: Rotation
  37. Where was Pluto discovered?: Streater, IL
  38. Which are the Gas Giant Planets?: Saturn, Jupiter, Uranus, Neptune
  39. Which are the Rock Planets?: Mercury, Venus, Earth, Mars
  40. Which planet has rings that could stretch from the Earth to its moon?: Saturn
  41. Which planet is named for the Greek God of the Sea?: Neptune
  42. Which planet is named THE DOUBLE PLANET?: Pluto
  43. Which planet is the largest?: Jupiter
  44. Which planet is the most often farthest from the sun?: Pluto
  45. Which planet is the smallest?: Pluto
  46. Which planet is the THIRD planet from the Sun?: Earth
  47. Which planet moves fastest around the sun?: Mercury
  48. Which rock planet is mosht covered by poisonous cluds?: Venus
  49. Which rock planet is the largest?: Earth
  50. Who discoverd the planet Pluto?: Clyde Tombaugh
  51. Who first used optics as a sky viewing telescope?: Galileo
  52. Why does the sun appear to set?: It appears to rise and set. The Earths rotation in a 24 hour period that causes of day and night