SOLAR SYSTEM SCIENCE - Lawrence Hall of Science

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Question 18. Find the brightest pixel in the nucleus of the comet. Record the (x,y) coordinates and the brightness Counts of that pixel: x = ________, y = ________ Counts = _________ 4. False Color Comet Change Palettes. Select a different palette from the palette menu (in HOU- IP Windows and Mac OS9). That brings out different details in the comet. In SalsaJ, the equivalent of “Color Palette” is “Lookup Tables” (LUT) which is found in the “Image” menu. Remember to click on yellow toolbar before using any of the menus. Question 19. Which Color Palette (or LUT) seems best for bringing out the most details in the comet? Which details? Find the pixels with the same (x,y) coordinates that you determined in Question 18 for the brightest part of the nucleus. Question 20. Do the brightness Counts change when you switch color palettes? Question 22. Is there any relationship between the colors and the brightness of the comet in the colored image? Yes No (circle one) Question 21. What color is the brightest pixel in the nucleus? 20 Global Systems Science — Solar System Science — Chapter II. Comets
5. Color Palette Bar. In the “View” menu (HOU-IP Windows and Mac OS9), select the Color Palette Bar. In the window that appears, colors are associated with brightness counts. Question 23. Which colors are associated with the dimmest pixels? Which colors are associated with the brightest pixels? Which colors are in the mid-range of brightness? In SalsaJ, the equivalent of “Color Palette Bar” is “Show LUT” in the “Image” menu. Remember to click on the yellow toolbar before selecting any menu item. 6. Adjust Display Brightness and Contrast: the Min/Max Tool. Slide the handles on the Min/Max bars to bring out more detail in the image. You can also type in min and max values for more precision In SalsaJ, the equivalent of the Min/Max tool is “Brightness/Contrast” which can be found in the “Adjust” item of the “Image” menu. Question 24. Describe what happens when you adjust Min and Max. When I move the Min (red) slider, this is how the color of the pixels in the image change: Answer Box Solar System Science — Chapter II. Comets 21
Page 1 and 2: Lawrence Hall of Science University
Page 3 and 4: Solar System Science Contents I. Th
Page 5 and 6: I. The Moon: Our Closest Neighbor I
Page 7 and 8: 3. Pixels and Coordinates Question
Page 9 and 10: Factor is a mathematical term havin
Page 11 and 12: Barringer Meteor Crater in Arizona
Page 13 and 14: I-C. Moon Measure moon1.fts: 1. Moo
Page 15 and 16: Using the Slice Tool a. Select the
Page 17 and 18: I-E. Moon Phases 1. Observing the M
Page 19: II. Comets II-A. How Long is a Come
Page 23 and 24: II-B. Comet Set When we observe the
Page 25 and 26: II-C. Comet Motion In order to dete
Page 27 and 28: Question 35. Explain the difference
Page 29 and 30: III. Asteroids As you know by now,
Page 31 and 32: Question 39. Which object is astero
Page 33 and 34: IV. Planets IV-A. Jupiter and Its M
Page 35 and 36: 3. The radius of Io’s orbit. Open
Page 37 and 38: IV-C. Planet Survey 1. Use your web
Page 39 and 40: 3. Using the Image Processor to mea
Page 41 and 42: B. What is the distance between Tit
Page 43 and 44: Solar System Science — Chapter IV

SOLAR SYSTEM SCIENCE - Lawrence Hall of Science

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