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equatorial telescope

e·qua·to·ri·al tel·e·scope (plural e·qua·to·ri·al tel·e·scopes)


noun 
Definition:
 
astronomical telescope: an astronomical telescope mounted so that it allows an astronomical object to be kept in view without adjustment as Earth rotates. This is accomplished by mounting it on two axes at right angles to each other, the one about which it rotates being parallel to Earth's axis.

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