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What is the essential difference between a terrestrial telescope and an astronomical telescope?
One of the lenses in a terrestrial telescope is concave
The final image formed in a terrestrial telescope is virtual
A terrestrial telescope forms an erect image while an astronomical telescope forms an inverted image
A terrestrial telescope forms an inverted image while an a stronomical telescope forms an erect image
-An astronomical telescope uses another, smaller lens to focus the light from the small image into our eye. The problem with this is that the image is upside down.
- A terrestrial telescope has another lens to turn the upside down image right side up.
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