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Planets Presentation


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Planets Presentation

  1. 1. Planets & Moon The most sensitive survey ever undertaken of the region in the Orion Nebula where new stars are forming has revealed 13 "free-floating planets" as well as more than one hundred very young brown dwarfs. The discovery was made by Dr Philip Lucas of the University of Hertfordshire and Dr Patrick Roche of the University of Oxford using a new camera on the United Kingdom Infrared Telescope (UKIRT) in Hawaii.
  2. 2. Mercury/Venus and Spica
  3. 3. Lagoon nebula
  4. 4. Jupiter/Venus conjunction
  5. 5. lunar halo
  6. 6. Moon and Venus at dusk over city lights of El Cajon, CA
  7. 7. Moon and Venus in Gemini at dawn, with reflections
  8. 8. Full moon setting at dawn over Lake Murray, San Diego
  9. 9. Waning crescent moon, Venus and Jupiter at dawn over a mountain lake
  10. 10. Comets and Meteors <ul><li>Leonid fireball (Nov. 17, 1998) blazes over Anza-Borrego Desert, CA </li></ul>
  11. 11. Geminid meteor streaking from radiant in Gemini, Dec. 14, 1994
  12. 12. Comet Halley rising at dawn over Imperial Valley, Feb. 22, 1986, from Laguna Mountains, CA
  13. 13. Comet Hale-Bopp, Mar. 2, 1997, over Carrizo Badlands, Anza-Borrego Desert, CA
  14. 14. Earth and Sky/Constellations <ul><li>Orion and moonlit waterfall, Laguna Mountains, CA </li></ul>
  15. 15. Moon and winter stars rising over pine forest, Laguna Mountains, CA
  16. 16. Summer Triangle and cirrus clouds over pinyon pine, Anza-Borrego Desert, CA
  17. 17. Big Dipper and Little Dipper over Anza-Borrego Desert, California
  18. 18. Great Square of Pegasus and Saturn (left) over Anza-Borrego Desert, CA
  19. 19. Eclipses <ul><li>Total solar eclipse, July 11, 1991, from Baja California </li></ul>
  20. 20. Eclipsed moon setting at dawn, April 25, 1986
  21. 21. Totality, lunar eclipse of Sep. 26. 1996
  22. 22. Earth and Sky/Milky Way <ul><li>Southernmost Milky Way over thatched huts, Morombe, Madagascar </li></ul>
  23. 23. Summer Milky Way over pine tree crowns, Laguna Mountains, CA
  24. 24. Summer Milky Way over the Watchman, Zion National Park, UT
  25. 25. Earth and Sky/Star Trails <ul><li>Winter constellations setting over moonlit Death Valley; from Zabriskie Point To estimate the number of the Milky Way’s stars, astronomers first assume there’s nothing special about our region of space. They determine the number of different types stars in this region – then extend this knowledge to the galaxy as a whole. </li></ul>
  26. 26. All-night exposure of stars rising over Tyee Lakes, Sierra Nevada
  27. 27. Gemini star trails rising over Cedar Creek Falls, San Diego County, CA
  28. 28. Colorful star trails setting toward southwest
  29. 29. Sunsets/Sunrises/Clouds/Atmospheric Optical Effects <ul><li>Rising &quot;double sun&quot; seen from Kumeyaay Indian solstice site, San Diego </li></ul>
  30. 30. Sunset over Pacific Ocean from Cowles Mountain, San Diego, CA
  31. 31. Cumulonimbus building above Palomar Mountain, San Diego County, CA
  32. 32. 22° -ice-crystal halo around sun
  33. 33. Dawn's glow on altostratus clouds, Cuyamaca Lake, San Diego County, CA