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| physical object > artifact > device > instrument > telescope | 
| telescope | ||||
| subject | fact | |||
| telescope | has wavelength sensitivity | ![]()  | 
| has angular resolving power | ![]()  | |
| has effective diameter | ![]()  | |
| has aperture | ![]()  | |
| has focal ratio | ![]()  | |
| has operator | ![]()  | |
| has purpose observe celestial objects | ![]()  | |
| has location | ![]()  | |
| has definition A device for gathering and amplifying light or X rays, gamma rays, or other forms of energy. | ![]()  | |
| is a kind of instrument | ![]()  | |
| artifact | has creator | ![]()  | 
| has creation date | ![]()  | |
| has owner | ![]()  | |
| physical object | has angular momentum | ![]()  | 
| has mass | ![]()  | |
| has velocity | ![]()  | |
| has momentum | ![]()  | |
| has temperature | ![]()  | |
| has volume | ![]()  | |
| has extent | ![]()  | |
| has material | ![]()  | 
Kinds of telescope :
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