Ľubor Kresák (23 August 1927 in
Topoľčany
Topoľčany (; before 1920; ) 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 owners of "mosses").
The Nitra River flows t ...
– 20 January 1994 in
Bratislava
Bratislava (German: ''Pressburg'', Hungarian: ''Pozsony'') is the Capital city, capital and largest city of the Slovakia, Slovak Republic and the fourth largest of all List of cities and towns on the river Danube, cities on the river Danube. ...
) was a
Slovak astronomer
An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...
.
He discovered two
comet
A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing. This produces an extended, gravitationally unbound atmosphere or Coma (cometary), coma surrounding ...
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 was a large explosion of between 3 and 50 TNT equivalent, megatons that occurred near the Podkamennaya Tunguska River in Yeniseysk Governorate (now Krasnoyarsk Krai), Russia, on the morning of 30 June 1908. The explosion over ...
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 has ...
.
The
asteroid
An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the Solar System#Inner Solar System, inner Solar System or is co-orbital with Jupiter (Trojan asteroids). As ...
1849 Kresák was named in his honor.
His wife
Margita Kresáková was also an astronomer.
[
]
References
External links
Publications by Ľ. Kresák
in Astrophysics Data System
The SAO/NASA Astrophysics Data System (ADS) is a digital library portal for researchers on astronomy and physics, operated for NASA by the Smithsonian Astrophysical Observatory. ADS maintains three bibliographic collections containing over 15 ...
1927 births
1994 deaths
Czechoslovak astronomers
People from Topoľčany
Tunguska event
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