Ľubor Kresák (23 August 1927 in
Topoľčany
Topoľčany (; sk, Veľké Topoľčany before 1920; hu, Nagytapolcsány) is a town in the Nitra Region of Slovakia. The population is around 25,000 in total. The town's population is nicknamed ''Žochári'' (singl. ''Žochár'') (producers, or ...
– 20 January 1994 in
Bratislava
Bratislava (, also ; ; german: Preßburg/Pressburg ; hu, Pozsony) is the Capital city, capital and largest city of Slovakia. Officially, the population of the city is about 475,000; however, it is estimated to be more than 660,000 — approxim ...
) was a
Slovak astronomer
An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, natural satellite, moons, comets and galaxy, g ...
.
He discovered two
comet
A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena ar ...
s: the
periodic comet
Periodic comets (also known as short-period comets) are comets with orbital periods of less than 200 years or that have been observed during more than a single perihelion passage (e.g. 153P/Ikeya–Zhang). "Periodic comet" is also sometimes used ...
41P/Tuttle-Giacobini-Kresak and the non-periodic
C/1954 M2 (Kresak-Peltier).
He also suggested in 1978 that the
Tunguska event
The Tunguska event (occasionally also called the Tunguska incident) was an approximately 12-megaton explosion that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of June 30, ...
was a fragment of the periodic
comet Encke
Comet Encke , or Encke's Comet (official designation: 2P/Encke), is a periodic comet that completes an orbit of the Sun once every 3.3 years. (This is the shortest period of a reasonably bright comet; the faint main-belt comet 311P/PanSTARRS ha ...
.
The
asteroid
An asteroid is a minor planet of the inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic or icy bodies with no atmosphere.
...
1849 Kresák was named in his honor.
His wife
Margita Kresáková was also an astronomer.
[
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References
External links
Publications by Ľ. Kresák
in Astrophysics Data System
The SAO/NASA Astrophysics Data System (ADS) is an online database of over 16 million astronomy and physics papers from both peer reviewed and non-peer reviewed sources. Abstracts are available free online for almost all articles, and full scanned a ...
1927 births
1994 deaths
Czechoslovak astronomers
People from Topoľčany
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