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star is a hot gaseous ball w hich is constantly changing temperature
in our galax y plane have ts there are only e ight
• Mars satellites 2 (Phobos and Deimos) flattened 0. 00589 The equatorial radius Eccentricity (e) 3396. 2 km [3] [4] 0. 0935 [1] 0. 0933941 [2] the polar radius The sidereal period of 3376. 2 km [3] [4] revolution The average radius (time of year) 686. 98 Earth 3, 3895 × 103 km (0. 5320 earth) [2] [1] days (1. 8808476 Earth years) The surface area (S) [1] [2] 144 798 465 km ² 144 371 391 km ² Synodic period (0, 283 earth) [2] 779. 94 days [1] Volume (V) Orbital velocity (v) 16, 318 × 1010 km ³ 24. 13 km / s (average) [1] 0. 151 of Earth [1] 1, 63116 × 1011 km ³ [2] 2, 4077 × 104 m / s [2] Mass (m) Inclination (i) 0, 64185 × 1024 kg 1, 85061 ° (relative to the 0. 107 of Earth [1] 6, 4169 × 1023 kg [2] ecliptic plane) [1] The average density (ρ) 5, 65 ° (relative to the 3933 kg / m ³ [1] 3. 934 g / cm ³ (0, 714 earth) solar equator) [2] Longitude of ascending Acceleration of gravity at the equator (g) node (Ω) 3. 711 m / s ² (0, 378 g) [2] 49, 57854 ° Escape velocity (v 2) 5. 027 km / s, 5. 03 km / s (0. 45 earth) [1] 5, 030 × 103 m / s [2] Equatorial speed 868. 22 km / h The rotation period (T) 24 hours 39 minutes and 36 seconds [2] h 24. 6229 sidereal rotation period, 24. 6597 hours - the duration of the day [1]. inclination of the axis 24, 94 °
• Semi-major axis (a) 108 208 930 km And 0. 723332. e. Eccentricity (e) 0. 0068 The sidereal period of revolution 224. 70069 days Synodic period 583. 92 days Orbital velocity (v) 35. 02 km / s Inclination (i) 3, 86 ° (relative to the solar equator) Longitude of ascending node (Ω) 76, 67069 ° The argument of perihelion (ω) 54, 85229 ° Satellites no Physical characteristics Flattened 0 The average radius 6051, 8 ± 1, 0 km The surface area (S) 4, 60 × 108 km ² 0. 902 Earth Volume (V) 9, 38 × 1011 km ³ 0. 857 Earth Mass (m) 4, 8685 × 1024 kg 0. 815 Earth The average density (ρ)