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heliometer ne demek?

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stellar parallax was made by Friedrich Bessel in 1838 for the star 61 Cygni using a Fraunhofer heliometer at Königsberg Observatory
Kaynak: Stellar parallax

He was educated at Warsaw University and his thesis was on "reduction constants of the Repsold heliometer In 1905, after the closure of
Kaynak: Tadeusz Banachiewicz

In 1838, the parallax of a star was determined successfully for first time by Bessel using a heliometer . The observatory was destroyed by
Kaynak: Koenigsberg Observatory

htm the heliometer of San Petronio in Bologna , to standardise Solar noon . 1656 - Christian Huygens builds the first accurate pendulum
Kaynak: Timeline of time measurement technology

A student of Friedrich Bessel , he observed with the famous Königsberg heliometer. In 1853 he published a determination of the parallax of
Kaynak: Moritz Ludwig George Wichmann

at European observatories; and the 217/3000 mm heliometer , the largest of its type that was ever built Image:Kuffner Observatory Refractor.
Kaynak: Kuffner observatory

From 1881 to 1883, American astronomer William L. Elkin used a heliometer at the Royal Observatory at the Cape of Good Hope , South
Kaynak: Epsilon Eridani

The observatory also possessed an heliometer , ordered from Repsold and Sons by H. A. Newton in 1880, delivered in time for measurements
Kaynak: Yale University Observatory

Germany Hall used the Yale heliometer to determine the mass of Saturn using the orbit of Titan His results confirmed Bessel's measurement.
Kaynak: Asaph Hall, Jr.

The cathedral has a heliometer (solar "observatory") of 1690, one of a number built in Italy in the 17th and 18th centuries.
Kaynak: Palermo

He also invented a heliometer , afterwards perfected by Joseph von Fraunhofer . He was afterwards promoted in the Academy to the place of
Kaynak: Pierre Bouguer

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