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- Dictionarytelescope/ˈtɛlɪskəʊp/
noun
- 1. an optical instrument designed to make distant objects appear nearer, containing an arrangement of lenses, or of curved mirrors and lenses, by which rays of light are collected and focused and the resulting image magnified.
verb
- 1. (with reference to an object made of concentric tubular parts) slide or cause to slide into itself, so that it becomes smaller: "five steel sections that telescope into one another" Similar
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20 hours ago · The timeline of historic inventions is a chronological list of particularly important or significant technological inventions and their inventors, where known. [a] History of technology By technological eras Premodern Prehistoric Stone Age (lithic) Neolithic Revolution Copper Age Bronze Age Iron Age Ancient Modern Proto-industrialization First Industrial Revolution Standardization Second ...
20 hours ago · Mercury, Venus, Mars - Visual observation daylight, request information - posted in Solar System Observing: Hello everyone. Im opening this topic, because I need help from more experienced users in visual observation. I have an SC6, and have been trying for about two months to make daylight observations of the planets in question. I tried both color filters, variable polarizer and skyglow ...
20 hours ago · The centimetre ( SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres ( 1 100 m = 0.01 m ). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.
Jul 7, 2024 · (a) if the telescope is inclined at 30 degrees from the horizon—10% of the surface brightness of the night sky attributable to natural light sources, at the time of the solar cycle when the sky is at its darkest, or (b) if the telescope is inclined at 90 degrees from the horizon—3% of the surface
20 hours ago · Some of the Vatican telescopes of the astronomical institution named Vatican Observatory participated in creating the Carte du Ciel, but they have progressively become useless or limited for research purposes due to light pollution in their locations: Vatican City (the Gardens of Vatican City and near St. Peter's Basilica) and the Vatican ...
20 hours ago · t. e. In physics, the special theory of relativity, or special relativity for short, is a scientific theory of the relationship between space and time. In Albert Einstein 's 1905 treatment, the theory is presented as being based on just two postulates: [p 1] [1] [2] The laws of physics are invariant (identical) in all inertial frames of ...
