A pair of radio dishes,each with collecting area 100 m²,lie a distance of 10 km from each other.With them,astronomers can make a measurement with an effective collecting area of ________ and an effective angular resolution of a telescope with a ________ diameter. A) 10⁸ m²; 200 m B) 10⁸ m²; 200 m. C) 200 m²; 10 km D) 200 m²; 10 km.

Question

Quizplus · Accepted Answer

The effective collecting area is the sum of the two dishes, which is 200 m². The effective angular resolution is determined by the distance between the dishes, which is 10 km.

A Pair of Radio Dishes,each with Collecting Area 100 M²,lie