Fyodor Aleksandrovich Bredikhin
Encyclopedia
Fyodor Aleksandrovich Bredikhin (Фёдор Александрович Бредихин) (December 8, 1831 – May 14, 1904 (O.S.
: May 1)) was a Russian astronomer
. His surname is sometimes given as Bredichin in the literature, and non-Russian sources sometimes render his first name as Theodor.
In 1857 he joined the staff of the observatory
at Moscow University, becoming its director in 1865 (another source says 1873). In 1890 he became director of Pulkovo Observatory
(until 1894) and in the same year became a member of the Russian Academy of Sciences
.
He studied the theory of comet
tails, and also studied meteor
s and meteor shower
s.
The asteroid
786 Bredichina
and the crater Bredikhin
on the Moon
are named after him.
Julian calendar
The Julian calendar began in 45 BC as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year .The Julian calendar has a regular year of 365 days divided into 12 months...
: May 1)) was a Russian 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...
. His surname is sometimes given as Bredichin in the literature, and non-Russian sources sometimes render his first name as Theodor.
In 1857 he joined the staff of the observatory
Observatory
An observatory is a location used for observing terrestrial or celestial events. Astronomy, climatology/meteorology, geology, oceanography and volcanology are examples of disciplines for which observatories have been constructed...
at Moscow University, becoming its director in 1865 (another source says 1873). In 1890 he became director of Pulkovo Observatory
Pulkovo Observatory
The Pulkovo Astronomical Observatory астрономи́ческая обсервато́рия Росси́йской акаде́мии нау́к), the principal astronomical observatory of the Russian Academy of Sciences, located 19 km south of Saint Petersburg on Pulkovo Heights...
(until 1894) and in the same year became a member of the Russian Academy of Sciences
Russian Academy of Sciences
The Russian Academy of Sciences consists of the national academy of Russia and a network of scientific research institutes from across the Russian Federation as well as auxiliary scientific and social units like libraries, publishers and hospitals....
.
He studied the theory of 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...
tails, and also studied meteor
METEOR
METEOR is a metric for the evaluation of machine translation output. The metric is based on the harmonic mean of unigram precision and recall, with recall weighted higher than precision...
s and meteor shower
Meteor shower
A meteor shower is a celestial event in which a number of meteors are observed to radiate from one point in the night sky. These meteors are caused by streams of cosmic debris called meteoroids entering Earth's atmosphere at extremely high speeds on parallel trajectories. Most meteors are smaller...
s.
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...
786 Bredichina
786 Bredichina
-External links:*...
and the crater Bredikhin
Bredikhin (crater)
Bredikhin is a lunar crater that is located on the far side of the Moon. It lies just to the west of the crater Mitra, and northeast of Raimond....
on the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...
are named after him.
Obituaries
- AN 165 (1904) 351/352 (in German)
- MNRAS 65 (1905) 348