... They are: the Earth rotation (a solar clock), a pendulum oscillating (mechanical and electronic clocks), a tuning fork (turning fork clocks), atoms transitions from one energetic condition to another (quantum clock). ...
... 1) a sidereal (star) year, corresponding to one visible rotation of the Sun along the celestial sphere has 365,2564 average solar days according to the stable stars; . ...
... to the period of the planet’s rotation, so Pluto and Haron rotating as a single unit considered to be an integer double system ... Pluto differs from the other planet for it resembles the captured asteroid in the solar system (or two asteroids). ...
... As for Venus, it has the densest atmosphere, the smallest rotation around the axis and the least eccentricity of the orbit Venus is the only planet whose own rotation is opposite it’s rotation around the Sun. ...
... The small planets (asteroids) are the Solar system solids with diameter from 1 to ... Among the small planets of the Solar system Ikar is of grear interest. ... The period of rotation is 409 days. ...
... time is an astronomic time counting where the day and the night duration is equal to the period of the Earth rotation around its axis relatively to the system of stable stars. 24 star hours are equal to 23 hours 56 min. 4,091 sec. of the medium solar time ...
... The axis of rotation is nearly perpendicular (98 deg) to the orbit plane and the rotation direction is opposite to the direction of turning around the Sun (the reverse rotation) this is observed only with Venus. ...
... 6,42*10^23 kg . Density . 3930 kg/m^3 . The period of rotation . 24 h 37 min . The average distance from the Sun . ... 0,093 . The orbit's slope . 1,85њ . Mars is the fourth from the Sun big planet of the Solar system. ...