Why was it necessary to find a “boring’ area to make the Hubble Deep Field?

19. Why was it necessary to find a “boring’ area to make the Hubble Deep Field?
20. How far away are most of the distant galaxies in this image?
21. What problems do solar wind particles create in making these images and how are the problems resolved?
22. How many images in how many colored filters were used to make the Deep Field?
Go to https://media.dcccd.edu/video.php?vid=6795 and watch the video called Looking Deep. Answer the questions:
D. Go to https://media.dcccd.edu/video.php?vid=6796 and watch the video called Hubble’s Extreme Deep Field Sees Farther Back In Time. Answer the following questions:
23. Why is taking a look deep into the universe like taking a trip down memory lane?
24. What year was Hubble’s Ultra Deep Field taken?
25. What extra wavelength of light, beyond the visible, was used to create the Hubble’s Extreme Deep Field?