alb3793307
REFLECTING TELESCOPE
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Título: REFLECTING TELESCOPE
Descripción: Ver traducción automática
Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first displayed this telescope to King Charles II, based on a design of 1668. It had a focal length of 15cm and could magnify 30-40 times. Inadequate mirrors meant that the Newtonian reflector was not as refined as contemporary refracting telescope, until 1722, when James Haley ground a quality parabolic mirror. This drawing was published in the philosophical transactions of the Royal Society in 1672.
Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first displayed this telescope to King Charles II, based on a design of 1668. It had a focal length of 15cm and could magnify 30-40 times. Inadequate mirrors meant that the Newtonian reflector was not as refined as contemporary refracting telescope, until 1722, when James Haley ground a quality parabolic mirror. This drawing was published in the philosophical transactions of the Royal Society in 1672.
Crédito: Album / Science Source
Autorizaciones: ? Cesión de modelo: No - ? Cesión de propiedad: No
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Tamaño imagen: 2550 × 3787 px | 27.6 MB
Tamaño impresión: 21.6 × 32.1 cm | 1003.9 × 1490.9 in (300 dpi)
Palabras clave: CIENCIA • HISTORIA CIENCIA • HISTORICO
