An astronomer who loved reading the Guinness Book of World Records when she was a child becomes obsessed with quasars and wants desperately to find the most distant quasar ever (the one with the largest redshift.) Where should she be looking to have the best chance of finding such a quasar?
A) in the centers of nearby galaxies
B) in the constellation of Sagittarius, the direction where we see the center of the Milky Way
C) right next to 3C273, the first quasar that was understood
D) in or near a distant cluster of galaxies that can act like a gravitational lens
E) there is simply no way that she can improve her chances of finding such a quasar; such discoveries are completely random
Correct Answer:
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