Use the Starry Night Enthusiast™ program to examine a star-forming region. Select Favourites Deep Space Clusters and Nebulas Nebulas in Sagittarius from the menu. The view is centered on the...

Use the Starry Night Enthusiast™ program to examine a star-forming region. Select Favourites
Deep Space
Clusters and Nebulas
Nebulas in Sagittarius from the menu. The view is centered on the constellation Sagittarius with several prominent clusters and nebulae labeled. Time is passing at 1 sidereal day per frame. You can temporarily stop motion by left clicking (click on Mac) on the screen, as necessary. a. In which month is M20, the Trifid Nebula, highest in the sky at noon? Explain how you determined this. b. In which month is M20 highest in the sky at midnight, so that it is best placed for observing with a telescope? Explain how you determined this. c. Click the right mouse button (Ctrl-Click on a Mac) with the cursor over M20, the Trifid Nebula, and select Magnify from the object contextual menu. Explain why different areas of the nebula have the colors that they have.