The primary optical element of the Hubble Space Telescope (HST) is 3.2 m in diam
ID: 1501481 • Letter: T
Question
The primary optical element of the Hubble Space Telescope (HST) is 3.2 m in diameter and has a focal length of 62 m. (Treat it as a simple, single lens for this homework) The telescope is aimed at Jupiter and the collected light is focused onto a sensitive Charge Coupled Device (CCD) detector, similar to what is in a digital camera. Each pixel in the detector is a 21 µm × 21 µm square, and the full CCD is 4096×4096 pixels. Thus the CCD is about one square inch in size. The HST is in orbit very close to the Earth (compared to other distances in the Solar system).
Is the image real or virtual? Magnified or reduced? Upright or inverted? (4 pts)
Explanation / Answer
The image is real, magnified and upright.
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