. Д.В. Сеченых . Родился: 6 августа 1984 г . Образование: основное общее образование в Муниципальной общеобразовательной языковой гимназии им. А.В. Кольцова г. Воронежа . Увлечения: . Компьютерные науки . Сети и телекомуникацый . Автомобили . и многое другое . Публикации: этот сайт является первой работой . e-mail: mita@e-mail.ru и mita@box.vsi.ru .
. Dmitriy V. Sechenyh . Born: 6 August 1984 . Education: Main Education in Languge Gymnazia Named after A.V.Koltsov (Voronezh, Russian Federation), Now Student of the 11 "V" Form Languge Gymnazia Named after A.V.Koltsov . The area of interests: . Computer Sciences . etc. Publications: This site is the first work . e-mail: mita@e-mail.ru Х mita@box.vsi.ru
The Star called the Sun. The Sun as the star . ... The visible star value . ... Spectrum class . ... 149 597 870 km . ... The Solar energy sourse is the core transformation of the Sun, where temperature is 15 000 000 K. The energy from inside is carried by irradiation and then in the external layer with 0,2 Ra of thikness - by convection. ... The Earth, situating far from the Sun (149 mil km), receives about 2.1017 W of the Solar beam energy (see item "The Solar constant" ). ...
. The mirror telescope of 1742. The telescopes, whose objectives are the mirrors, are called the reflectors (from Latin reflectere - "to reflect"). Back .
. Tzerera is one of the greatest small planets (the diameter is about 1000 km) discovered by J Platzy (Italy, 1801). The distance to the Sun is from 2,55 to 3,05 a.u. Back .
The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...
. The earthquake - in other words the underground tremors and fluctuation of the terrestrial surface occurring after the breaking off the Earth’s bark and the upper cloak and after their displacement with the following to the long distances. Back .
A year is a time interval approximately equal to the period of the Earth's rotation around the Sun. ... 2) a tropical year is a time interval between the Sun's two centre successive passing through the medium point of the vernal equinox (365,2422 days); . 3) anomalistic year is a time interval between the Sun's two centre successive passing through the perihelion of its visible heliocentric orbit (365,2596 days); . ... 6) lunar year includes 12 lunar synodic months (about 354, 367 days); . ...
. THE UNIVERSAL (WORLD) TIME, is a medium solar time of prime meridian. The meridian of Greenwich observatory (Great Britain) is conditionally taken for the prime meridian. Back .
The astronomic instruments on the Earth and in the space. Galilei's telescope . Newton's telescope . The refractor ( 19th century) . ... A mirror telescope . ... The modern telescopes . The giant radio-telescope . Radio-telescope . The Space observatories . ... X-ray observatories. ... Gamma observatories . ... Comptons observatory . The space expeditions along the solar system. The Moon investigation. ... Mars and its satellites investigations. Mars-3" . ...
... A clock is a tool for the time counting. The stable repeating processes are used in clocks. ... The first timepieces were sand glasses; in the 2nd thousand years B.C. there occured water clocks; the first mentions about mechanical timepieces related to the end of the 6th century; the modern mechanical timepieces are created by H. Huigens in 1657; in 70th years of the 20th century there were widespread the electronic quartz watches with numeric indication, for example on the liquid chips. ...