Jacobus Cornelius Kapteyn (19 January 1851 – 18 June 1922) was a Dutch astronomer. He carried out extensive studies of the Milky Way. He found that the...

The Jacobus Kapteyn Telescope or JKT is a 1-metre optical telescope named for the Dutch astronomer Jacobus Kapteyn (1851–1922) of the Isaac Newton Group...

photographic plates Jacobus Kapteyn Telescope - telescope named after Jacobus Kapteyn Kapteyn's Star - star named after Jacobus Kapteyn Kapteyn (crater) - Lunar...

Attention was first drawn to what is now known as Kapteyn's Star by the Dutch astronomer Jacobus Kapteyn in 1898. Under the name CPD-44 612 it was included...

the 2.5 m (8 ft 2 in) Isaac Newton Telescope and the 1 m (3 ft 3 in) Jacobus Kapteyn Telescope. The 2.5 m (8 ft 2 in) Nordic Optical Telescope (NOT). The...

institute is named after its founder, Jacobus Cornelius Kapteyn, who lived from 1851 to 1922. Jacobus Kapteyn was appointed professor of astronomy and...

instrument of Kapteyn is a measuring instrument created by the Dutch astronomer Jacobus Kapteyn around 1886. Using this instrument, Kapteyn analyzed over...

social activist, and Albertus Kapteyn (1848–1927), an engineer and inventor and older brother of astronomer Jacobus Kapteyn. Her father had moved to London...

the William Herschel Telescope, the Isaac Newton Telescope, and the Jacobus Kapteyn Telescope, operated by a collaboration between the UK Science and Technology...

earlier conjecture. In 1904, studying the proper motions of stars, Jacobus Kapteyn reported that these were not random, as it was believed in that time;...

JKT may refer to: Jacobus Kapteyn Telescope Jakarta, Indonesia Kemayoran Airport, a former airport serving Jakarta Jakarta Time; see Time in Indonesia...

Gravitational-wave Optical Transient Observer (GOTO-N) HEGRA Isaac Newton Telescope Jacobus Kapteyn Telescope Liverpool Telescope (2003– ) MAGIC MASCARA Mercator Telescope...

instead of fixed sizes steps which would 'sum', was constructed by Jacobus Kapteyn while studying and popularizing the statistics of the log-normal in...

ING). The telescopes were to be a 1.0 m (39 in) (which became the Jacobus Kapteyn Telescope), the 2.5 m (98 in) Isaac Newton Telescope which was to be...

chemist and Nobel Laureate Jacobus Kaper (born 1931), biochemist and virologist Jacobus Kapteyn (1851–1922), Dutch astronomer Jacobus de Kerle (1531–1591),...

existence of dark matter seemed also proven, confirming its inference by Jacobus Kapteyn, Jan Oort, and Fritz Zwicky in the 1920s and 1930s and demonstrating...

his work on opalescence in gases. In 1913, he became assistant to Jacobus Kapteyn at the astronomical laboratory of Groningen University. In 1914, Zernike...

existence of dark matter using stellar velocities was Dutch astronomer Jacobus Kapteyn in 1922. A publication from 1930 by Swedish astronomer Knut Lundmark...

polarization techniques.” Superluminal motion was first observed in 1902 by Jacobus Kapteyn in the ejecta of the nova GK Persei, which had exploded in 1901. His...

(born 1946), physicist Heike Kamerlingh Onnes (1853–1926), physicist Jacobus Kapteyn (1851–1922), astronomer Willem Hendrik Keesom (1878–1956), physicist...

wife Henrietta (1881–1956) was a daughter of the Dutch astronomer Jacobus Kapteyn. Hertzsprung died in Roskilde in 1967. The asteroid 1693 Hertzsprung...

the galaxy. In this research, he adapted the statistical methods of Jacobus Kapteyn to investigate individual clusters in the galaxy. His most important...

Richard Owen Wollaston Medal for geology: Adam Sedgwick January 19 – Jacobus Kapteyn (died 1922), Dutch astronomer. February 15 – Spiru Haret (died 1912)...

ichthyologist, educator, eugenicist, and peace activist (d. 1931) Jacobus Kapteyn, Dutch astronomer (d. 1922) January 21 – Pietro Frugoni, Italian general...

Letters in 1887. Among his students was the prominent Dutch astronomer Jacobus Kapteyn. In 1970 the lunar crater Buys-Ballot, on the far side of the Moon...

Copernicus Galileo Galilei George Ellery Hale William Herschel Edwin Hubble Jacobus Kapteyn Johannes Kepler Gerard Kuiper Joseph-Louis Lagrange Pierre-Simon Laplace...

relatively unchallenged for the next hundred years, with minor refinements. Jacobus Kapteyn introduced motion, density, and luminosity to Herschel's star counts...

Society of the Pacific in 1929. Seares used astrophotography as part of Jacobus Kapteyn's effort to uncover the structure of the sidereal universe through research...

Sitter Universe Scientific career Fields Physics Doctoral advisor Jacobus Kapteyn Doctoral students Dirk Brouwer Willem Hendrik van den Bos Signature...

appearing in forestry textbooks. In the 1870s, the Dutch astronomer Jacobus Kapteyn (1851–1922) was using crossdating to reconstruct the climates of the...