Lubor Kresák
Encyclopedia
Ľubor Kresák was a Slovak
Slovakia
The Slovak Republic is a landlocked state in Central Europe. It has a population of over five million and an area of about . Slovakia is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south...

 astronomer
Astronomer
An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

.

He discovered two comet
Comet
A comet is an icy small Solar System body that, when close enough to the Sun, displays a visible coma and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet...

s: the periodic comet 41P/Tuttle-Giacobini-Kresak
41P/Tuttle-Giacobini-Kresak
41P/Tuttle–Giacobini–Kresák is a periodic comet in our solar system.Discovered by Horace Parnell Tuttle on May 3, 1858, and re-discovered independently by Michel Giacobini and Ľubor Kresák in 1907 and 1951 respectively, it is a member of the Jupiter family of comets.- 2006 Apparition :As of June 1,...

 and the non-periodic C/1954 M2 (Kresak-Peltier).
He also suggested in 1978 that the Tunguska event was a fragment of the periodic comet Encke
Comet Encke
Comet Encke or Encke's Comet is a periodic comet that completes an orbit of the Sun once every three years — the shortest period of any known comet...

.
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