Friedrich Georg Wilhelm Struve
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Using the Big Fraunhofer determined the distance to Vega
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measurements of more than 3000 multiple stars
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Geodetic arc measurements from the Black to the White Sea
which belongs from 2005 to the UNESCO heritage list
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Founder of the East-European astronomy
in the first half of the 19th century
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Bernhard Schmidt
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Discoverer of the Schmidt Telescope System -
the best telescope of the 20th century
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and a maker a lot of of these telescopes
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Ernst Julius Öpik
Pioneering works in many fields of astronomy:
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small bodies of the Solar System
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nuclear energy in stars and stellar evolution
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distance to the Andromeda nebulae and
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short scale of the age of the Universe
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Pioneering works and discoveries:
- Observational methods and theory of meteors (1937)
- Studies on planetary atmospheres and surfaces
- Thermonuclear power of stars (1922)
- Stellar structure and evolution (1938)
- Determination of distance of the Andromeda galaxy (1922)
- Estimation of the age of the Universe (short scale) (1933)
- Öpik-Oort cloud of comets (1932)
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- b.1783 Auvere, Narva, Estonia - d.1859 Warsaw, Poland
Member of the St.Petersbourg Academy of Sciences; along with W. Struve
measured the meridian arc (Struve arc) from White Sea to Black Sea (2800 km)
- b.1794 Berlin - d.1874 Hannover, Germany
- 1840-1865 director of the Tartu Observatory (Sternwarte, Dorpat)
- b.1879 Naissaar, Estonia - d.1935 Bergedorf, Hamburg, Germany
b.1932 Estonia - d.2001 Silver Spring, Maryland, USA
- R. Silberberg was a leading researcher on cosmic rays and high energy particles in USA,
( Naval Research Laboratory).
(b.1936 Hamilton, Ontario - )
Estonian origin astrophysicist in USA
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President (1978-1980) and vice president of the Astronomical Society of the Pacific (ASP),
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treasurer of the American Astronomical Society (AAS) (1987-88,1996-),
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member of AURA Board
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1965-1989 -
University of California (Berkeley) Astronomy Professor
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1989-2005 Minnesota University, Astronomy Professor
; retired (2005)
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- Astronomy professor in Uppsala University (Sweden)
(b.1923 Tallinn, Estonia - d.1991)
Discovery of light echo effect, method of detecting
of gravitons, gravitinos and photinos
Up
Tartu Old Observatory | Tartu
Astronomy Club
Oct 08 , 2007
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