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Explain two advantages of a reflecting t...

Explain two advantages of a reflecting telescope over a refracting telescope.

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Advantages. 1. The image formed is free from chromatic aberration.
2. The spherical aberration can also be minimised by using a parabolic mirror as objective.
3. The image formed is very bright due to its large light gathering power. As such, it enables us to see even very faint stars.
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