Ivan Osipovich Yarkovsky
Encyclopedia
Ivan Osipovich Yarkovsky ' onMouseout='HidePop("23784")' href="/topics/Vitebsk">Vitebsk
Vitebsk
Vitebsk, also known as Viciebsk or Vitsyebsk , is a city in Belarus, near the border with Russia. The capital of the Vitebsk Oblast, in 2004 it had 342,381 inhabitants, making it the country's fourth largest city...

 - 1902, Heidelberg
Heidelberg
-Early history:Between 600,000 and 200,000 years ago, "Heidelberg Man" died at nearby Mauer. His jaw bone was discovered in 1907; with scientific dating, his remains were determined to be the earliest evidence of human life in Europe. In the 5th century BC, a Celtic fortress of refuge and place of...

) was a Russian-Polish civil engineer. He worked for a Russian railway company and was obscure in his own time. Beginning in the 1970s, long after Yarkovsky's death, his work on the effects of thermal radiation on small objects in the solar system (e.g., asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

s) was developed into the Yarkovsky effect
Yarkovsky effect
The Yarkovsky effect is a force acting on a rotating body in space caused by the anisotropic emission of thermal photons, which carry momentum...

 and the YORP effect
Yarkovsky-O'Keefe-Radzievskii-Paddack effect
The Yarkovsky–O'Keefe–Radzievskii–Paddack effect, or YORP effect for short, is a second-order variation on the Yarkovsky effect which changes the rotation rate of a small body . The term was coined by Dr. David P...

. The asteroid
Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

 35334 Yarkovsky
35334 Yarkovsky
35334 Yarkovsky is a main-belt asteroid discovered on March 31, 1997 by P. Sicoli and F. Manca at Sormano.It is named after Ivan Osipovich Yarkovsky, discoverer of the Yarkovsky effect.- External links :*...

 is named in his honour . In 1888 he also created a mechanical explanation of gravitation
Mechanical explanations of gravitation
Mechanical explanations of gravitation are attempts to explain the action of gravity by aid of basic mechanical processes, such as pressure forces caused by pushes, and without the use of any action at a distance. These theories were developed from the 16th until the 19th century in connection...

.

See also

  • Yarkovsky effect
    Yarkovsky effect
    The Yarkovsky effect is a force acting on a rotating body in space caused by the anisotropic emission of thermal photons, which carry momentum...

  • Yarkovsky-O'Keefe-Radzievskii-Paddack effect
    Yarkovsky-O'Keefe-Radzievskii-Paddack effect
    The Yarkovsky–O'Keefe–Radzievskii–Paddack effect, or YORP effect for short, is a second-order variation on the Yarkovsky effect which changes the rotation rate of a small body . The term was coined by Dr. David P...

  • List of asteroids/35001–36000

External links

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