CAST — California Science Test Telescopes and Observing — practice questions
5 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CAST — California Science Test Telescopes and Observing in the app →What are the two most important jobs a telescope does?Why can a lens telescope not be built as large as a mirror telescope?Each 10-meter Keck telescope reaches its full aperture using what arrangement?A mirror 4 meters across gathers how much more light than one 1 meter across?Observatories are put on high, dry, dark peaks. Which limitation does the dryness attack?