In a Radio Telescope, the Electromagnetic Energy Is Gathered by ___________

question 91

Multiple Choice

In a radio telescope, the electromagnetic energy is gathered by ___________.

• A) a spherical thin metal foil that refracts the radio waves to a point
• B) a parabolic metallic mirror, commonly wire mesh
• C) a solid slab or copper metal, formed into the shape of a parabola
• D) a glass mirror with a reflective coating, similar to an optical telescope

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Definitions:

1981 Motorcycle

A motorcycle produced in the year 1981, often regarded for its vintage value and characteristics specific to the era's design and technology.

Retrograde Amnesia

An inability to recall events that happened or knowledge acquired prior to sustaining an injury or the beginning of a disease.

Anterograde Amnesia

A condition characterized by an inability to form new memories following the onset of the disorder, though long-term memories from before the condition remain intact.

Head Injuries

Physical trauma to the head, which can impact the brain and lead to temporary or permanent damage, affecting cognitive, physical, and emotional functions.