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[[telescopes]]

NAME | DEFINITION | FORMULA | UNITS | |
---|---|---|---|---|

u | IMAGE MAGNITUDE | measurement of the picture | (it's what you take measure) | mm |

f | FOCAL LENGHT OF THE TELESCOPE | It's the distance from telescope lens to the image | (es un dato) | cm |

s | IMAGE SCALE | Ratio between the image magnitude and the real image | radians | |

θ | ANGULAR DIAMETER | It is the visual diameter of the object measured as an angle. | radians | |

R | MOON'S RADIUS | It is half ot the Moon's diameter | km | |

D | MOON'S DIAMETER | It is what we are calculating | km | |

r | DISTANCE FROM MOON TO YOU | It is the distance from the Earth to the Moon | r = 384444 | km |