question: A telescope is used for observing a
choices.text: graviton x-rays epochs dark matter Sextant Two pairs azimuth pulsar
choices.label: A B C D E F G H
formatted_question: A telescope is used for observing a (A) graviton (B) x-rays (C) epochs (D) dark matter (E) Sextant (F) Two pairs (G) azimuth (H) pulsar