"Gamma Ray Bursts" Bohdan Paczyński Hand Signed 4X6 Card For Sale

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"Gamma Ray Bursts" Bohdan Paczyński Hand Signed 4X6 Card:

Up for sale "Gamma Ray Bursts" Bohdan Paczyński Hand Signed 4X6 Card. 

the stellar evolution, accretion

discs, and gamma ray bursts. Paczyński was born on 8 February 1940

in Vilnius, Lithuania, to a lawyer and a teacher

of Polish literature. In 1945

his family chose to leave for Poland and settled in Kraków, and then in 1949 in Warsaw. At the age of 18, Paczyński published his first scientific

article in Acta Astronomica.

Between 1959 and 1962 he studied astronomy at the University of Warsaw. Two

years later he received a doctorate under the tutelage Zonn. In 1962

Paczyński became a member of the Centre of Astronomy of the Polish Academy of Sciences,

where he continued to work for nearly 20 years. In 1974 he received

habilitation and in 1979 became a professor. Thanks to his works on theoretical

astronomy, at the age of 36 he became the youngest member of the Polish Academy

of Sciences. In

1981 Paczyński visited the United States, where he gave a series of lectures at Caltech to former interns at his Warsaw-based institute.

After the introduction of the Martial Law in Poland he

decided to stay abroad. He was the Lyman Spitzer Jr. Professor of Astrophysics at Princeton University. Paczyński

was the initiator of Optical Gravitational

Lensing Experiment (OGLE, led by Andrzej Udalski of Warsaw University Observatory)

and All Sky Automated Survey (ASAS,

created together with Grzegorz Pojmański). His

new methods of discovering cosmic objects and measuring their mass by

using gravitational lenses gained

him international recognition, and he is acknowledged for coining the

term microlensing. He was

also an early proponent of the idea that gamma-ray bursts are at cosmological distances. His

research concentrated on stellar evolution, gravitational lensing and gravitational microlensing, variable stars, gamma-ray bursts, and galactic

structure. In 1999, he became the first astronomer to receive all

three major awards of the Royal Astronomical Society,

by winning the Gold Medal,

having won the Eddington Medal in

1987 and the George Darwin Lectureship in

1995. He

was honoured with the title of doctor honoris causa by Wrocław University in

Poland (on June 29, 2005) and Nicolaus Poland (on September 22, 2006). In January 2006

he was awarded Henry Norris Russell

Lectureship of the American Astronomical Society, "for his highly original

contributions to a wide variety of fields including advanced stellar evolution,

the nature of gamma ray bursts, accretion in binary systems, gravitational

lensing, and cosmology. His research has been distinguished by its creativity

and breadth, as well as the stimulus it has provided to highly productive

observational investigations". He died of brain cancer on April 19, 2007 in Princeton, New Jersey. 

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"Gamma Ray Bursts" Bohdan Paczyński Hand Signed 4X6 Card


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