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An astronomer is using a telescope that consists of a metal antenna mounted on struts above a 10-meter curved metal dish, mounted outside (no dome).

An astronomer is using a telescope that consists of a metal antenna mounted on struts above a 10-meter curved metal dish, mounted outside (no dome). The whole telescope is steerable and can be used during the day or at night. What kind of astronomy is being done? Multiple choice question. radio optical (visible light) X-ray gravitational wave

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