At the Largest and Most Modern Astronomical Observatories on Earth

Multiple Choice

At the largest and most modern astronomical observatories on Earth today, which of the following regularly happens to the image formed by the telescope?

A) it is viewed by a group of graduate students who then make a sketch of it to have a permanent record
B) it is recorded on a piece of black & white film, which is then developed in a bath of chemicals
C) it is reflected by a special arrangement of mirrors back into the beam and up into the sky
D) it is recorded using an electronic detector called a CCD for later analysis
E) it is sent to the FBI so they can check for evidence of Russian hacking