Listed following are the names and mirror diameters for six of the world’s greatest reflecting telescopes used to gather visible light. Rank the telescopes from left to right based on their light-collecting area from largest to smallest. For telescopes with more than one mirror, rank based on the combined light-collecting area of the mirrors.
Answer:
Largest> Large . Binocular Telescope (Two 8.4-m mirrors)
Keck I (One 10-m mirror)
Hobby-Ebberly (One 9.2-m mirror)
Subaru (One 8.3-m mirror)
Gemini North (One 8-m mirror)
Magellan II (One 6.5-m mirror)
>Smallest
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