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Comet



Comet C/2007 W1 (Boattini), discovered November 28, 2007 by Andrea Boattini (Mt Lemmon Survey), is as of mid May 2008 at about magnitude +6, potentially visible to the naked eye in the early evening sky in the constellation Pyxis. It will be lost in sunglow through June but reappears as a morning object in July at a predicted peak of +4. Perigee will be 24 June 2008.

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References

  1. ^ a b Comets - Relics from the birth of the Solar System, Björn Davidsson, Uppsala University, 2008
  2. ^ "What is the difference between asteroids and comets?", Rosetta FAQ, ESA
  3. ^ Near Earth Object Program FAQ, NASA
  4. ^ "Comet samples are surprisingly asteroid-like", New Scientist, 24 January 2008
  5. ^ Known populations of solar system objects:, Wm. Robert Johnston
  6. ^ How many comets are there?, ESA (Rosetta)
  7. ^ The Rate of Naked-Eye Comets from 101 BC to 1970 AD, A. Lewis Licht, University of Illinois, October 1998
  8. ^ World Book @ NASA
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  10. ^ a b "Test boosts notion that comets brought life", CNN, April 6, 2001
  11. ^ "Stardust Findings Suggest Comets More Complex Than Thought", NASA, December 14, 2006
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  14. ^ First X-Rays from a Comet Discovered. Retrieved on 2006-03-05.
  15. ^ Probing space weather with comets. Retrieved on 2006-03-05.
  16. ^ "If comets melt, why do they seem to last for long periods of time?", Scientific American, November 16, 1998
  17. ^ "SOHO analyses a kamikaze comet", ESA, 23 February 2001
  18. ^ "Earth's water brewed at home, not in space", New Scientist Space, 25 September 2007
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  21. ^ IAU bulletin IB74
  22. ^ "New comet class in Earth's backyard", Astronomy, April 3, 2006
  23. ^ Oort, J. H. The structure of the cloud of comets surrounding the Solar System and a hypothesis concerning its origin. Bulletin of the Astronomical Institutes of the Netherlands, Vol XI, No. 408, pg 91–110. 1950.. NASA Astrophysics Data System. Retrieved on 2007-10-15.
  24. ^ Kronk, Gary W. (2001–2005). Cometography. Retrieved on 2006-03-05., '11P/Tempel-Swift-LINEAR'
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  26. ^ a b Kronk, '3D/Biela'
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  31. ^ Aristotle (350 B.C.). Meteorologia. , l. 1. c. 6.
  32. ^ Aristotle, l. 1. c. 7.
  33. ^ Carl Sagan & Ann Druyan (1985). Comet. New York: Random House, 23–24. ISBN 0-394-54908-2. 
  34. ^ Britain's Bayeux Tapestry, scene 1. Reading Museum Service (2000–2004). Retrieved on 2005-03-22.
  35. ^ a b (2003) A Brief History of Comets, part I. European Southern Observatory. 
  36. ^ a b Prasar, Vigyan (2001). Development of Cometary Thought, Part II. 
  37. ^ Newton, I.S. (1687). Philosophiæ Naturalis Principia Mathematica. London: Josephi Streater. , Lib. 3, Prop. 41.
  38. ^ Edmundo Halleio (1705). "Astronomiæ Cometicæ Synopsis". Philosophical Transactions 24: 1882–1899. 
  39. ^ Pepys, Samuel (1893). The Diary of Samuel Pepys, M.A., F.R.S.. London: George Bell & Sons. , 1 March 1664/5
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  45. ^ van Boekel, Roy. The building blocks of planets within the `terrestrial' region of protoplanetary disks, Nature Vol. 423 page 479. www.nature.com. Retrieved on 2007-01-08.
  46. ^ Britt, Robert Roy. Strange Comet Unlike Anything Known. Space.com. Retrieved on 2006-03-05.
  47. ^ NASA Spacecraft Finds Comet Has Hot, Dry Surface. JPL (2002). Retrieved on 2006-03-05.
  48. ^ NASA’s ‘Deep Impact’ Team Reports First Evidence of Cometary Ice. Retrieved on 2007-07-27.
  49. ^ Comets 'are born of fire and ice' (BBC News, March 14 2006)
  50. ^ NASA's Stardust Comet Samples Contain Minerals Born in Fire (Space.com; March 13, 2006)
  51. ^ Stardust comet dust resembles asteroid materials (Lawrence Livermore National Laboratory; January 24, 2008)
  52. ^ Stardust comet dust resembles asteroid materials (Physorg.com; January 24, 2008)
  53. ^ Surprise! That Comet Is an Asteroid, Sort Of (Wired News; January 25, 2008)
  54. ^ Dust samples prompt rethink about comets
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  56. ^ M.E. Bailey, Chambers J.E., Hahn G. (1992). "Origin of sungrazers - A frequent cometary end-state". Astronomy and Astrophysics 257: 315–322. 
  57. ^ Ohtsuka K., Nakano S., Yoshikawa M. (2003). "On the Association among Periodic Comet 96P/Machholz, Arietids, the Marsden Comet Group, and the Kracht Comet Group". Publications of the Astronomical Society of Japan 55: 321–324. 
  58. ^ Kronk, '29P/Schwassmann-Wachmann 1'
  59. ^ Kronk, '95P/Chiron'
  60. ^ Kronk, '137P/Shoemaker-Levy 2'
  61. ^ Whitman, Kathryn; Alessandro Morbidelli and Robert Jedicke (2006). "The Size-Frequency Distribution of Dormant Jupiter Family Comets". 
  62. ^ The Andromedids ("Bielids"). Gary W. Kronk's Comets & Meteor Showers. Retrieved on 2006-03-05.
  63. ^ seds.lpl.arizona.edu/sl9/sl9.html. Retrieved on 2007-07-27.
  64. ^ Kronk, 'D/1993 F2 Shoemaker-Levy 9'
  65. ^ The Tunguska object - A fragment of Comet Encke. Astronomical Institutes of Czechoslovakia. Retrieved on 2007-10-15.
  66. ^ http://one.fsphost.com/dvso/. Retrieved on 2007-07-27.

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See also

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Further Reading

Schechner, Sara J. Comets, Popular Culture, and the Birth of Modern Cosmology. Princeton, New Jersey: Princeton University Press. 1997.

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External links

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