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20 March, 13:13

Why is the primary mirror in a telescope curved?

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  1. 20 March, 13:27
    0
    The reflector telescope uses a mirror to gather and focus light (which means to reflect lights). All celestial objects are so far way that all of the light rays from them reach the earth as parallel rays

    Simple version: it reflects the light so we can see farther away
  2. 20 March, 16:00
    0
    This collects light, and bends it into focus.
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