120 FAQs about Specific Stars (The Astronomy Cafe)

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  1. How many stars form the bowl of the Big Dipper?
  2. Are any stars about to become supernovae?
  3. How close can we be to a supernova without getting damaged?
  4. What is the present speed, direction and distance to Barnard's Star?
  5. What is the true shape of a 'ring nebula'?
  6. How often do supernova happen in the universe?
  7. Exactly how are Cepheid variables used to determine distances?
  8. What can you say about the Southern Cross?
  9. Did the 'indians' call the star Mira "horse and rider"?
  10. Is there anything unusual about the stars in Orion's Belt that would have attracted the attention of the ancient Egyptians?
  11. Does Lalande 21185 have other names?
  12. Why will Supernova 1987A become 1000 times brighter around the year 2007?
  13. How far away is the star Betelgeuse in Orion?
  14. What are the two nearest stars?
  15. What would we hear in the news media if Betelgeuse went supernova tonight?
  16. Which star is called 'The Wanderer'?
  17. Does the Nemesis Star really exist?
  18. Where is Barnard's Star and can you see it with a 4.5-inch telescope?
  19. Which constellation is the most compact in space?
  20. Are the stars in the Big Dipper closer together than the stars in the Little Dipper?
  21. Where can I get a photograph of a specific star in the sky whose coordinates I know?
  22. What are the nearest stars to the Sun?
  23. What would happen if Betelgeuse went supernova?
  24. What was D'Occhieppo's explanation for the Star of Bethlehem?
  25. Is S Doradus the same kind of object as Eta Carina?
  26. What is Eta Carina?
  27. What are the colors of the stars in the Big Dipper?
  28. Was the Star of Bethlehem a triple conjunction of Mars and Saturn or a conjunction of Venus and Jupiter?
  29. How do you use Cepheid Variable stars to determine distance from apparent brightness?
  30. What is the nature of Einstein Rings around neutron stars?
  31. Where can I get more information about the enigmatic object SS433?
  32. Is there any recent information about the Star of Bethlehem?
  33. What is a globular cluster, and are there any near the Milky Way?
  34. What is the end stage of a white dwarf?
  35. Have very cold white dwarfs ever been found?
  36. What are Wolf-Rayet stars?
  37. What do astronomers think the Star of Bethlehem was?
  38. What is the farthest star we know about?
  39. What is the largest star known to astronomers?
  40. Could you name the 5 nearest stars?
  41. What was the first star to die?
  42. What is the 'day star' or the 'morning star' that is mentioned in the Bible?
  43. Can you tell me a little bit about the Pleiades?
  44. How far away is Proxima Centauri?
  45. Was there anything going on in the sky around 100 B.C?
  46. Is there going to be a 'Star of Bethlehem' in the sky in the next few weeks?
  47. How many supernova have been found so far?
  48. What can you say about the red giant star closest to the Earth?
  49. Who is studying Barnard's Star these days?
  50. What is the age of the closest star cluster in Ursa Major?
  51. Would neutron star matter be stable if you took it out of a neutron star?
  52. Could you describe the orbits of the three stars in the Castor star system?
  53. How much power on the Earth do we receive from the star Sirius?
  54. Why as the astronomical community been incorrectly measuring the distances to Cepheid variables?
  55. What are the coordinates of the star Omega Piscium?
  56. Where is the Draco Star System located in the sky?
  57. What is the albedo and color of a neutron star that emits no radiation?
  58. Where can I find information about Zeta Recticuli 1 and 2?
  59. Eta Ursa Minoris (+5.0m) is near my sensitivity limit, but does the nearby star 19 UMi also influence its brightness?
  60. Was Sirius ever a red star?
  61. What is the radial velocity of 70 Virginis?
  62. Why do we call Sirius the Dog Star and not Procyon?
  63. How was the nearby star Alpha Centauri named that way?
  64. How far apart are the stars in Orion's Belt?
  65. Do you have any information on the North Star?
  66. How long does it take for light to get from Alpha Centauri to Earth?
  67. Is Polaris exactly at the North Pole, and if not, what star is?
  68. What are the minimum and maximum masses of neutron stars and white dwarfs?
  69. How far away is 61 Ursa Majoris, the home star of the 'Kzinti'?
  70. Is Sirius a star or a star system?
  71. Have astronomers discovered a 'square star' near the edge of the universe?
  72. I am going to Brazil. Where should I look for Alpha Centauri?
  73. What star or galaxy is directly opposite the Sun from Alpha Centauri?
  74. What is the star al Touz?
  75. What is your opinion about using astrology to uncover the birthdate of Jesus Christ?
  76. What are the three largest stars in our galaxy?
  77. How far away is Rigel?
  78. What is the mechanism that relates the period and the luminosity of a Cepheid variable star?
  79. What three stars in the direction of Orion are called the 'Three Tragic Myths'?
  80. What are the emission processes that cause pulsars?
  81. What are the dates for the minima of Beta Lyra the eclipsing binary?
  82. How many stars are there in the constellations Cepheus and Draco?
  83. Does the Scorpius X-1 neutron star pulse?
  84. What are the locations of 5 neutron stars or pulsars?
  85. Is Beta Lyra really seen as a green star?
  86. What do carbon stars such as Stein 2051B look like?
  87. What are some of the myths about the star Sirius?
  88. Do the X-rays detected from the star Betelgeuse mean it will become a supernova anytime soon?
  89. Where is the star 61 Cygni located relative to the Earth?
  90. What atomic arrangement do you find inside a normal star, a white dwarf and a neutron star?
  91. Is there any rogue star that will eventually end life on the Earth?
  92. How do we know that pulsars are not rotating white dwarfs?
  93. Can you tell me more about the Death Star called Nemesis?
  94. Could you name a star 18 light years away?
  95. How far is Proxima Centauri from Alpha Centauri?
  96. How can a binary star like Sirius have a companion star with such a vastly different age?
  97. What is the least massive star known to astronomers?
  98. What are the names of some stars that have colors?
  99. What was the first star born in space?
  100. How big are Betelgeuse and Aldebaran and what kinds of stars are they?
  101. What are the 5 or 10 nearest stars?
  102. Without time lapse photography, how was it discovered that Polaris is the Pole Star?
  103. How has Polaris been used in the past, and how will it be used in the future?
  104. Where can I get more information about the Hulse-Taylor Pulsar, PSR 1316?
  105. What do astronomers call supernovae seen in the Andromeda Galaxy?
  106. Could a solar system exist in a system containing a white dwarf, a red dwarf and a protostar with one planet and one moon?
  107. What is the name of a Sun-like star within 40 light years of the Earth?
  108. What are the names of the stars in the constellation Leo?
  109. Is there a binary system with a red giant and a white dwarf within 75 parsecs of the earth?
  110. Is the pulse from a pulsar visible to the naked eye?
  111. How do pulsars work?
  112. What is the difference between a pulsar and a neutron star?
  113. Will SS 433 crash into Earth?
  114. If neutrons have no magnetic polarity, why do neutron stars have such strong magnetic fields?
  115. What is the best way to identify the North Star at night?
  116. What are the sky coordinates for SS-433?
  117. Where can I get a detailed map of the constellations?
  118. What is the difference between a white dwarf and a brown dwarf star?
  119. How many acres would it take to collect light from the bright star Sirius and equal the power of one AA battery?
  120. Do more stars form in a cloud if more mass is available?


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