Easy Astronomy Questions involving 2 pictures of moon. You need to have basic astronomy knowledge.
6.From your CCD images, identify three natural features. These can be mountains, craters, seas, etc. At least one of these features must be a crater. You will need to research lunar maps and features.
- Print your (PDF) images of the Moon sent to you following your Observing session. (I recommend to use a “Landscape” printing option.) Mark on these images your identified features (natural and artificial). Be sure to label the cardinal directions on your images (North, South, etc)
- Measure carefully in millimeters your identified crater from 6 above. Knowing its true size in kilometres, determine the scale of your image in kilometres per milimetre.
- Look up the average diameter of the Moon in kilometres. With your scale from 8 above, what would be the diameter of a lunar image in milimetres if such an image could be captured from the telescope?
- Inspect each of your two images. Decide where the least and the most heavily cratered sections on the images are located. Draw two, 5 cm boxes encompassing these two sections being sure not to include any portion of the terminator or limb. Carefully count the total number of craters (ALL sizes) within each of the boxes and record the numbers.
- What does the difference in the number of craters in each box suggest to you? Explain your reasoning.
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