Rotating Question Curious About Astronomy? Ask an Astronomer

Previously answered questions by Karen Masters

(in order of times viewed)

  1. What's going to happen on December 21st 2012?
  2. What is a white hole?
  3. What is the largest star?
  4. How many Earths fit into the Sun?
  5. Is Pluto a planet?
  6. What would happen if we did not have a Moon?
  7. Why is a day divided into 24 hours?
  8. Why are there both high and low tides?
  9. What is the largest galaxy?
  10. How many known galaxies are there?
  11. How does the position of Moonrise and Moonset change?
  12. Is the Sun expanding? Will it ever explode?
  13. How can I find the star I have "bought"?
  14. When is the next comet due to arrive?
  15. What was there before the Big Bang and what is there outside of our universe?
  16. Why do airplanes take longer to fly West than East?
  17. How do stars move in the Galaxy?
  18. Does the Sun move around the Milky Way?
  19. What are the advantages and disadvantages of using a telescope in space?
  20. How much money is spent on space exploration?
  21. How much money do astronomers make?
  22. Does your weight change between the poles and the equator?
  23. What will happen to life on Earth when the Sun becomes a red giant?
  24. Where does the name "Milky Way" come from?
  25. Who has landed on the moon?
  26. What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle?
  27. Why does the Earth tilt back and forward once a year?
  28. How are black holes made? Could one be made close to us?
  29. What would happen if the gravity on Earth was suddenly turned off?
  30. What are the "dog days of summer"?
  31. When can I see the Moon through the hole in the Pantheon?
  32. How often does the Sun pass through a spiral arm in the Milky Way?
  33. What would you see from inside a black hole?
  34. How is astronomy impacted by trigonometry?
  35. What are black holes made of?
  36. How did the stars get named?
  37. If the universe is infinite does that mean there is an infinite number of "me"s?
  38. Where does the name "Moon" come from?
  39. How do rockets move in space?
  40. Does quantum entanglement imply faster than light communication?
  41. Does the Mediterranean sea have tides?
  42. Can any galaxies be seen with the naked eye?
  43. What is the evidence supporting the nebula theory of Solar System formation?
  44. Why isn't the summer solstice the hottest day of the year?
  45. What is the origin of spiral structure in galaxies?
  46. Where, in relation to the entire universe, is the Milky Way located?
  47. What are the requirements for being a planet?
  48. How close was the Moon to the Earth when it formed?
  49. How can I find the distance to the Sun on any given day?
  50. How long does the supernova stage of a star last?
  51. Are there any asteroids on a collision course with Earth?
  52. Which constellation does our Sun belong to?
  53. Why does the Moon look big on the horizon?
  54. Would your weight change as you go underground?
  55. Where is the nearest black hole?
  56. Was the Sun made in a supernova?
  57. How do galaxies collide in an expanding universe?
  58. How is the time of sunrise calculated?
  59. Can I buy land on the Moon?
  60. Is the Moon hollow?
  61. Why is looking out into space the same as looking back in time?
  62. Is the Earth slowly getting larger?
  63. How do the astronauts communicate in space if sound cannot travel in a vacuum?
  64. What is the most distant known galaxy?
  65. Why are there stars?
  66. How would the weather on Earth be different if it were a cube?
  67. Does Mt. Everest cast a shadow on the moon?
  68. How many Astronauts have been in space?
  69. Are Kuiper Belt Objects asteroids? Are large Kuiper Belt Objects planets?
  70. What is the speed of gravity?
  71. How does night and day work?
  72. Is there really a 10th planet?
  73. How does Astronomy involve Chemistry?
  74. What is the typical size of a visible shooting star?
  75. What is Earthrise over the Moon?
  76. How many stars can I see?
  77. What is the best way to see the Milky Way?
  78. How much can the location of sunset differ from due West?
  79. Can a person go into a black hole and come out alive?
  80. What would happen to the Earth if an asteroid hit the Moon?
  81. Why do people draw stars with five points?
  82. How can I find my age on another planet?
  83. Why don't astronomers use everyday units to measure distances (what is an AU or a pc)?
  84. How can we estimate the number of Earth-like planets in the Galaxy?
  85. Does the Sun have an iron surface?
  86. Who came up with the name "black hole"?
  87. What would happen if two stars collided?
  88. What are quasars made of?
  89. Can a lunar and a solar eclipse happen in the same month? When will this happen next?
  90. Did the speed of light change over the history of the universe?
  91. Is there any limitation to what a black hole can "suck" in?
  92. What is dark matter?
  93. Could an astronaut or satellite fall into a black hole that we didn't know about?
  94. What are the closest and/or brightest stars?
  95. Did I see the Aurora Borealis as a child?
  96. What are the facts about the Star of Bethlehem?
  97. How can the universe be "flat"? We're 3D!
  98. Was I hit by a meteorite?
  99. How are galaxies named?
  100. How will the two black holes that are going to collide affect Earth?
  101. How can we know that there are other galaxies if we cannot leave ours?
  102. Why do we study black holes?
  103. Wouldn't the Big Bang theory be considered a hypothesis and not a theory?
  104. Do we know everything about the Sun?
  105. Is infinite temperature possible?
  106. Is there a project I can do on black holes?
  107. Could you tell me about the life cycle of galaxies?
  108. How do I explain to my children why the Moon has phases?
  109. Can "tired light theory" explain the observed redshifts of galaxies?
  110. What happens to the material that has been sucked into a black hole?
  111. What type of energy does a black hole have?
  112. What supernova created the Crab nebula?
  113. Was Stonehenge built to mark solar phenomena?
  114. What's so exciting about the new planet around 55 Cancri?
  115. How hot is each one of the layers of the sun?
  116. How different would the night sky have looked in 40,000 B.C.?
  117. How many sunspots can the Sun have at once?
  118. If we invented special suits could we ever go to the sun?
  119. Why is the shadow on the Moon the shape it is?
  120. Why is the Hubble Space Telescope in space?
  121. Can any comparison be made between spiral galaxies and hurricanes?
  122. What is the difference between homogeneity and isotropy?
  123. As the universe expands, why don't galaxies get stretched out?
  124. What happened to the girl who named Pluto?
  125. Why are telescopes kept in cold conditions?
  126. What month was it when Odysseus saw Orion in 1000BC?
  127. How do I become an astronomical artist?
  128. What is the solar cycle?
  129. Do galaxies orbit around anything?
  130. Will we discover an 11th planet? What would it be called?
  131. How are astronomy and poetry linked?
  132. How are supernovae discovered?
  133. What class of spiral galaxy is the Milky Way?
  134. What's new with the Big Bang?
  135. Could we send a manned mission to the outer planets?
  136. Where can I find information on the moons of other planets?
  137. Could photons be dark matter?
  138. Why can't relative velocities add up to more than the speed of light?
  139. How do astronomers come up with their facts?
  140. How do bars form in spiral galaxies?
  141. Why don't astronauts sublimate in space?
  142. Did the Sumerians measure precession?
  143. Why can we have solar eclipses?
  144. How do you classify galaxies?
  145. Where can I see Newton's original reflecting telescope?
  146. How do we find out about the star formation histories of galaxies?
  147. How does interferometry work?
  148. How can I watch the Perseid meteor shower?
  149. How can I find out if the new moon has been sighted?
  150. Is cosmic expansion happening on microscopic scales?
  151. Do constellations looks the same from space?
  152. Is light blueshifted when it is gravitationally lensed?
  153. Is it a coincidence that we can have total solar eclipses? Are there other planets which also have them?
  154. Why was Mir burnt up in the atmosphere?

URL: http://curious.astro.cornell.edu/authorlist.php?number=5
This page has been accessed 10291 times since January 14, 2013.
Last modified: November 19, 2007 11:28:35 AM

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